25217264 has 20 divisors (see below), whose sum is σ = 49996056. Its totient is φ = 12315072.

The previous prime is 25217233. The next prime is 25217279. The reversal of 25217264 is 46271252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17639 + ... + 19014.

Almost surely, 2^25217264 is an apocalyptic number.

It is an amenable number.

25217264 is a deficient number, since it is larger than the sum of its proper divisors (24778792).

25217264 is a wasteful number, since it uses less digits than its factorization.

25217264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36704 (or 36698 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 25217264 is about 5021.6794003600. The cubic root of 25217264 is about 293.2463768880.

The spelling of 25217264 in words is "twenty-five million, two hundred seventeen thousand, two hundred sixty-four".