64652425 has 24 divisors (see below), whose sum is σ = 84191040. Its totient is φ = 49156800.

The previous prime is 64652417. The next prime is 64652447. The reversal of 64652425 is 52425646.

It is not a de Polignac number, because 64652425 - 2³ = 64652417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131430 + ... + 131920.

It is an arithmetic number, because the mean of its divisors is an integer number (3507960).

Almost surely, 2^64652425 is an apocalyptic number.

It is an amenable number.

64652425 is a deficient number, since it is larger than the sum of its proper divisors (19538615).

64652425 is a wasteful number, since it uses less digits than its factorization.

64652425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 748 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 64652425 is about 8040.6731683361. The cubic root of 64652425 is about 401.3546260421.

The spelling of 64652425 in words is "sixty-four million, six hundred fifty-two thousand, four hundred twenty-five".