25630804 has 6 divisors (see below), whose sum is σ = 44853914. Its totient is φ = 12815400.

The previous prime is 25630793. The next prime is 25630807. The reversal of 25630804 is 40803652.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 2108304 = 4850^2 + 1452^2 .

It is a super-2 number, since 2×25630804² = 1313876227372832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25630807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203847 + ... + 3203854.

Almost surely, 2^25630804 is an apocalyptic number.

It is an amenable number.

25630804 is a deficient number, since it is larger than the sum of its proper divisors (19223110).

25630804 is a wasteful number, since it uses less digits than its factorization.

25630804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407705 (or 6407703 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25630804 is about 5062.6874286292. The cubic root of 25630804 is about 294.8406838698.

The spelling of 25630804 in words is "twenty-five million, six hundred thirty thousand, eight hundred four".