25131255 has 16 divisors (see below), whose sum is σ = 41597280. Its totient is φ = 12940928.

The previous prime is 25131241. The next prime is 25131257. The reversal of 25131255 is 55213152.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25131255 - 2⁸ = 25130999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25131257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28452 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (2599830).

Almost surely, 2^25131255 is an apocalyptic number.

25131255 is a deficient number, since it is larger than the sum of its proper divisors (16466025).

25131255 is a wasteful number, since it uses less digits than its factorization.

25131255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57810.

The product of its digits is 1500, while the sum is 24.

The square root of 25131255 is about 5013.1083172020. The cubic root of 25131255 is about 292.9126034733.

The spelling of 25131255 in words is "twenty-five million, one hundred thirty-one thousand, two hundred fifty-five".