64125512 has 16 divisors (see below), whose sum is σ = 131166000. Its totient is φ = 29147920.

The previous prime is 64125511. The next prime is 64125563. The reversal of 64125512 is 21552146.

64125512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64125512² = 8224162578524288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64125511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364262 + ... + 364437.

It is an arithmetic number, because the mean of its divisors is an integer number (8197875).

Almost surely, 2^64125512 is an apocalyptic number.

It is an amenable number.

64125512 is an abundant number, since it is smaller than the sum of its proper divisors (67040488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64125512 is a wasteful number, since it uses less digits than its factorization.

64125512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728716 (or 728712 counting only the distinct ones).

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

The square root of 64125512 is about 8007.8406577554. The cubic root of 64125512 is about 400.2613125855.

Adding to 64125512 its reverse (21552146), we get a palindrome (85677658).

The spelling of 64125512 in words is "sixty-four million, one hundred twenty-five thousand, five hundred twelve".