64939325 has 12 divisors (see below), whose sum is σ = 87845568. Its totient is φ = 47228400.

The previous prime is 64939309. The next prime is 64939333. The reversal of 64939325 is 52393946.

It is not a de Polignac number, because 64939325 - 2⁴ = 64939309 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 117797 + ... + 118346.

It is an arithmetic number, because the mean of its divisors is an integer number (7320464).

Almost surely, 2^64939325 is an apocalyptic number.

It is an amenable number.

64939325 is a deficient number, since it is larger than the sum of its proper divisors (22906243).

64939325 is a wasteful number, since it uses less digits than its factorization.

64939325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236164 (or 236159 counting only the distinct ones).

The product of its digits is 174960, while the sum is 41.

The square root of 64939325 is about 8058.4939659964. The cubic root of 64939325 is about 401.9474304829.

The spelling of 64939325 in words is "sixty-four million, nine hundred thirty-nine thousand, three hundred twenty-five".