25260831 has 12 divisors (see below), whose sum is σ = 38074608. Its totient is φ = 16108224.

The previous prime is 25260799. The next prime is 25260839. The reversal of 25260831 is 13806252.

25260831 is a `hidden beast` number, since 2 + 52 + 608 + 3 + 1 = 666.

It is not a de Polignac number, because 25260831 - 2⁵ = 25260799 is a prime.

It is a super-2 number, since 2×25260831² = 1276219165621122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25260795 and 25260804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25260839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60810 + ... + 61223.

It is an arithmetic number, because the mean of its divisors is an integer number (3172884).

Almost surely, 2^25260831 is an apocalyptic number.

25260831 is a deficient number, since it is larger than the sum of its proper divisors (12813777).

25260831 is a wasteful number, since it uses less digits than its factorization.

25260831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122062 (or 122059 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25260831 is about 5026.0154197933. The cubic root of 25260831 is about 293.4151569544.

The spelling of 25260831 in words is "twenty-five million, two hundred sixty thousand, eight hundred thirty-one".