25227864 has 48 divisors (see below), whose sum is σ = 72348120. Its totient is φ = 7914240.

The previous prime is 25227823. The next prime is 25227871. The reversal of 25227864 is 46872252.

25227864 is a `hidden beast` number, since 2 + 522 + 78 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9082 + ... + 11529.

Almost surely, 2^25227864 is an apocalyptic number.

25227864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25227864 is an abundant number, since it is smaller than the sum of its proper divisors (47120256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25227864 is a wasteful number, since it uses less digits than its factorization.

25227864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640 (or 20633 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25227864 is about 5022.7347132812. The cubic root of 25227864 is about 293.2874595388.

The spelling of 25227864 in words is "twenty-five million, two hundred twenty-seven thousand, eight hundred sixty-four".