63713265 has 32 divisors (see below), whose sum is σ = 127097856. Its totient is φ = 26477760.

The previous prime is 63713239. The next prime is 63713281. The reversal of 63713265 is 56231736.

It is not a de Polignac number, because 63713265 - 2⁸ = 63713009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26427 + ... + 28736.

It is an arithmetic number, because the mean of its divisors is an integer number (3971808).

Almost surely, 2^63713265 is an apocalyptic number.

It is an amenable number.

63713265 is a deficient number, since it is larger than the sum of its proper divisors (63384591).

63713265 is a wasteful number, since it uses less digits than its factorization.

63713265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55189.

The product of its digits is 22680, while the sum is 33.

The square root of 63713265 is about 7982.0589449089. The cubic root of 63713265 is about 399.4017410784.

The spelling of 63713265 in words is "sixty-three million, seven hundred thirteen thousand, two hundred sixty-five".