25231255 has 16 divisors (see below), whose sum is σ = 34873344. Its totient is φ = 17166240.

The previous prime is 25231249. The next prime is 25231279. The reversal of 25231255 is 55213252.

It is a happy number.

It is not a de Polignac number, because 25231255 - 2⁵ = 25231223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834 + ... + 7336.

It is an arithmetic number, because the mean of its divisors is an integer number (2179584).

Almost surely, 2^25231255 is an apocalyptic number.

25231255 is a deficient number, since it is larger than the sum of its proper divisors (9642089).

25231255 is a wasteful number, since it uses less digits than its factorization.

25231255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646.

The product of its digits is 3000, while the sum is 25.

The square root of 25231255 is about 5023.0722670493. The cubic root of 25231255 is about 293.3005996818.

The spelling of 25231255 in words is "twenty-five million, two hundred thirty-one thousand, two hundred fifty-five".