Discover a lot of information on the number 25: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Mathematical properties of 25

Is 25 a prime number? No
Is 25 a perfect number? No
Number of divisors 3
List of dividers 1, 5, 25
Sum of divisors 31
Prime factorization 52
Prime factors 5

## How to write / spell 25 in letters?

In letters, the number 25 is written as: Twenty-five. And in other languages? how does it spell?

25 in other languages
Write 25 in english Twenty-five
Write 25 in french Vint-cinq
Write 25 in spanish Veinticinco
Write 25 in portuguese Vinte e cinco

## Decomposition of the number 25

The number 25 is composed of:

1 iteration of the number 2 : The number 2 (two) represents double, association, cooperation, union, complementarity. It is the symbol of duality.... Find out more about the number 2

1 iteration of the number 5 : The number 5 (five) is the symbol of freedom. It represents change, evolution, mobility.... Find out more about the number 5

Other ways to write 25
In letter Twenty-five
In roman numeral XXV
In binary 11001
In octal 31
In US dollars
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USD 25.00 (\$)
In euros
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25,00 EUR (€)
Some related numbers
Previous number 24
Next number 26
Next prime number 29

## Mathematical operations

Operations and solutions
25*2 = 50 The double of 25 is 50
25*3 = 75 The triple of 25 is 75
25/2 = 12.5 The half of 25 is 12.500000
25/3 = 8.3333333333333 The third of 25 is 8.333333
252 = 625 The square of 25 is 625.000000
253 = 15625 The cube of 25 is 15625.000000
√25 = 5 The square root of 25 is 5.000000
log(25) = 3.2188758248682 The natural (Neperian) logarithm of 25 is 3.218876
log10(25) = 1.397940008672 The decimal logarithm (base 10) of 25 is 1.397940
sin(25) = -0.13235175009777 The sine of 25 is -0.132352
cos(25) = 0.99120281186347 The cosine of 25 is 0.991203
tan(25) = -0.13352640702154 The tangent of 25 is -0.133526