64512512 has 20 divisors (see below), whose sum is σ = 128900046. Its totient is φ = 32256000.

The previous prime is 64512499. The next prime is 64512521. The reversal of 64512512 is 21521546.

It can be written as a sum of positive squares in only one way, i.e., 56310016 + 8202496 = 7504^2 + 2864^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62489 + ... + 63512.

Almost surely, 2^64512512 is an apocalyptic number.

It is an amenable number.

64512512 is a deficient number, since it is larger than the sum of its proper divisors (64387534).

64512512 is an equidigital number, since it uses as much as digits as its factorization.

64512512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126019 (or 126003 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 64512512 is about 8031.9681274268. The cubic root of 64512512 is about 401.0648958098.

The spelling of 64512512 in words is "sixty-four million, five hundred twelve thousand, five hundred twelve".