25364631 has 16 divisors (see below), whose sum is σ = 35136000. Its totient is φ = 16264128.

The previous prime is 25364617. The next prime is 25364641. The reversal of 25364631 is 13646352.

It is not a de Polignac number, because 25364631 - 2¹⁰ = 25363607 is a prime.

It is a super-2 number, since 2×25364631² = 1286729011532322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25364611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6795 + ... + 9843.

It is an arithmetic number, because the mean of its divisors is an integer number (2196000).

Almost surely, 2^25364631 is an apocalyptic number.

25364631 is a deficient number, since it is larger than the sum of its proper divisors (9771369).

25364631 is a wasteful number, since it uses less digits than its factorization.

25364631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158.

The product of its digits is 12960, while the sum is 30.

The square root of 25364631 is about 5036.3311050804. The cubic root of 25364631 is about 293.8165012559.

The spelling of 25364631 in words is "twenty-five million, three hundred sixty-four thousand, six hundred thirty-one".