64125315 has 12 divisors (see below), whose sum is σ = 111150624. Its totient is φ = 34200144.

The previous prime is 64125289. The next prime is 64125319. The reversal of 64125315 is 51352146.

64125315 is a `hidden beast` number, since 641 + 2 + 5 + 3 + 15 = 666.

It is not a de Polignac number, because 64125315 - 2⁶ = 64125251 is a prime.

It is a super-2 number, since 2×64125315² = 8224112047698450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64125319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 712459 + ... + 712548.

It is an arithmetic number, because the mean of its divisors is an integer number (9262552).

Almost surely, 2^64125315 is an apocalyptic number.

64125315 is a deficient number, since it is larger than the sum of its proper divisors (47025309).

64125315 is a wasteful number, since it uses less digits than its factorization.

64125315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425018 (or 1425015 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 64125315 is about 8007.8283573014. The cubic root of 64125315 is about 400.2609027041.

The spelling of 64125315 in words is "sixty-four million, one hundred twenty-five thousand, three hundred fifteen".