63974225 has 12 divisors (see below), whose sum is σ = 90660864. Its totient is φ = 43867920.

The previous prime is 63974219. The next prime is 63974237. The reversal of 63974225 is 52247936.

It is not a de Polignac number, because 63974225 - 2⁶ = 63974161 is a prime.

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, 182609 + ... + 182958.

It is an arithmetic number, because the mean of its divisors is an integer number (7555072).

Almost surely, 2^63974225 is an apocalyptic number.

It is an amenable number.

63974225 is a deficient number, since it is larger than the sum of its proper divisors (26686639).

63974225 is a wasteful number, since it uses less digits than its factorization.

63974225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365584 (or 365579 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 63974225 is about 7998.3889002724. The cubic root of 63974225 is about 399.9462948731.

The spelling of 63974225 in words is "sixty-three million, nine hundred seventy-four thousand, two hundred twenty-five".