25630502 has 4 divisors (see below), whose sum is σ = 38445756. Its totient is φ = 12815250.

The previous prime is 25630499. The next prime is 25630511. The reversal of 25630502 is 20503652.

It is a happy number.

It is a semiprime because it is the product of two primes.

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, 6407624 + ... + 6407627.

It is an arithmetic number, because the mean of its divisors is an integer number (9611439).

Almost surely, 2^25630502 is an apocalyptic number.

25630502 is a deficient number, since it is larger than the sum of its proper divisors (12815254).

25630502 is a wasteful number, since it uses less digits than its factorization.

25630502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815253.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25630502 is about 5062.6576024851. The cubic root of 25630502 is about 294.8395258591.

The spelling of 25630502 in words is "twenty-five million, six hundred thirty thousand, five hundred two".