25939264 has 28 divisors (see below), whose sum is σ = 55434484. Its totient is φ = 11971584.

The previous prime is 25939259. The next prime is 25939271. The reversal of 25939264 is 46293952.

It can be written as a sum of positive squares in 2 ways, for example, as 11560000 + 14379264 = 3400^2 + 3792^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14757 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (1979803).

Almost surely, 2^25939264 is an apocalyptic number.

It is an amenable number.

25939264 is an abundant number, since it is smaller than the sum of its proper divisors (29495220).

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

25939264 is a wasteful number, since it uses less digits than its factorization.

25939264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31202 (or 31192 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 25939264 is about 5093.0603766301. The cubic root of 25939264 is about 296.0187472908.

The spelling of 25939264 in words is "twenty-five million, nine hundred thirty-nine thousand, two hundred sixty-four".