64253512 has 16 divisors (see below), whose sum is σ = 123039360. Its totient is φ = 31443024.

The previous prime is 64253443. The next prime is 64253549. The reversal of 64253512 is 21535246.

64253512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 85068 + ... + 85819.

It is an arithmetic number, because the mean of its divisors is an integer number (7689960).

Almost surely, 2^64253512 is an apocalyptic number.

It is an amenable number.

64253512 is a deficient number, since it is larger than the sum of its proper divisors (58785848).

64253512 is a wasteful number, since it uses less digits than its factorization.

64253512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170940 (or 170936 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 64253512 is about 8015.8288404881. The cubic root of 64253512 is about 400.5274541745.

Adding to 64253512 its reverse (21535246), we get a palindrome (85788758).

The spelling of 64253512 in words is "sixty-four million, two hundred fifty-three thousand, five hundred twelve".