63937625 has 16 divisors (see below), whose sum is σ = 81499392. Its totient is φ = 50057200.

The previous prime is 63937613. The next prime is 63937681. The reversal of 63937625 is 52673936.

It is a de Polignac number, because none of the positive numbers 2^k-63937625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (5093712).

Almost surely, 2^63937625 is an apocalyptic number.

It is an amenable number.

63937625 is a deficient number, since it is larger than the sum of its proper divisors (17561767).

63937625 is a wasteful number, since it uses less digits than its factorization.

63937625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10945 (or 10935 counting only the distinct ones).

The product of its digits is 204120, while the sum is 41.

The square root of 63937625 is about 7996.1006121734. The cubic root of 63937625 is about 399.8700098443.

The spelling of 63937625 in words is "sixty-three million, nine hundred thirty-seven thousand, six hundred twenty-five".