63657125 has 48 divisors (see below), whose sum is σ = 97456320. Its totient is φ = 41277600.

The previous prime is 63657119. The next prime is 63657137. The reversal of 63657125 is 52175636.

It is not a de Polignac number, because 63657125 - 2¹⁰ = 63656101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116102 + ... + 116648.

It is an arithmetic number, because the mean of its divisors is an integer number (2030340).

Almost surely, 2^63657125 is an apocalyptic number.

It is an amenable number.

63657125 is a deficient number, since it is larger than the sum of its proper divisors (33799195).

63657125 is a wasteful number, since it uses less digits than its factorization.

63657125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 578 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 63657125 is about 7978.5415333882. The cubic root of 63657125 is about 399.2843976299.

The spelling of 63657125 in words is "sixty-three million, six hundred fifty-seven thousand, one hundred twenty-five".