64525316 has 6 divisors (see below), whose sum is σ = 112919310. Its totient is φ = 32262656.

The previous prime is 64525303. The next prime is 64525361. The reversal of 64525316 is 61352546.

It can be written as a sum of positive squares in only one way, i.e., 47748100 + 16777216 = 6910^2 + 4096^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065661 + ... + 8065668.

It is an arithmetic number, because the mean of its divisors is an integer number (18819885).

Almost surely, 2^64525316 is an apocalyptic number.

It is an amenable number.

64525316 is a deficient number, since it is larger than the sum of its proper divisors (48393994).

64525316 is a wasteful number, since it uses less digits than its factorization.

64525316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16131333 (or 16131331 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 64525316 is about 8032.7651527976. The cubic root of 64525316 is about 401.0914275893.

The spelling of 64525316 in words is "sixty-four million, five hundred twenty-five thousand, three hundred sixteen".