63642925 has 12 divisors (see below), whose sum is σ = 79057440. Its totient is φ = 50823920.

The previous prime is 63642911. The next prime is 63642937. The reversal of 63642925 is 52924636.

It is not a de Polignac number, because 63642925 - 2⁵ = 63642893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14544 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (6588120).

Almost surely, 2^63642925 is an apocalyptic number.

It is an amenable number.

63642925 is a deficient number, since it is larger than the sum of its proper divisors (15414515).

63642925 is a wasteful number, since it uses less digits than its factorization.

63642925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532 (or 4527 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 63642925 is about 7977.6515968047. The cubic root of 63642925 is about 399.2547059544.

The spelling of 63642925 in words is "sixty-three million, six hundred forty-two thousand, nine hundred twenty-five".