25655372 has 24 divisors (see below), whose sum is σ = 47152560. Its totient is φ = 12196800.

The previous prime is 25655341. The next prime is 25655417. The reversal of 25655372 is 27355652.

It is a super-2 number, since 2×25655372² = 1316396224916768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6122 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (1964690).

Almost surely, 2^25655372 is an apocalyptic number.

It is an amenable number.

25655372 is a deficient number, since it is larger than the sum of its proper divisors (21497188).

25655372 is a wasteful number, since it uses less digits than its factorization.

25655372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401 (or 3399 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 25655372 is about 5065.1132267700. The cubic root of 25655372 is about 294.9348587375.

The spelling of 25655372 in words is "twenty-five million, six hundred fifty-five thousand, three hundred seventy-two".