25427264 has 14 divisors (see below), whose sum is σ = 50457354. Its totient is φ = 12713600.

The previous prime is 25427239. The next prime is 25427273. The reversal of 25427264 is 46272452.

It can be written as a sum of positive squares in only one way, i.e., 23116864 + 2310400 = 4808^2 + 1520^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 25427264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198587 + ... + 198714.

Almost surely, 2^25427264 is an apocalyptic number.

It is an amenable number.

25427264 is a deficient number, since it is larger than the sum of its proper divisors (25030090).

25427264 is an equidigital number, since it uses as much as digits as its factorization.

25427264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397313 (or 397303 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 25427264 is about 5042.5453889876. The cubic root of 25427264 is about 294.0581432816.

The spelling of 25427264 in words is "twenty-five million, four hundred twenty-seven thousand, two hundred sixty-four".