64253516 has 12 divisors (see below), whose sum is σ = 118361880. Its totient is φ = 30435840.

The previous prime is 64253443. The next prime is 64253549. The reversal of 64253516 is 61535246.

It is a super-3 number, since 3×64253516³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422645 + ... + 422796.

It is an arithmetic number, because the mean of its divisors is an integer number (9863490).

Almost surely, 2^64253516 is an apocalyptic number.

It is an amenable number.

64253516 is a deficient number, since it is larger than the sum of its proper divisors (54108364).

64253516 is a wasteful number, since it uses less digits than its factorization.

64253516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845464 (or 845462 counting only the distinct ones).

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

The square root of 64253516 is about 8015.8290899944. The cubic root of 64253516 is about 400.5274624859.

The spelling of 64253516 in words is "sixty-four million, two hundred fifty-three thousand, five hundred sixteen".