64309125 has 16 divisors (see below), whose sum is σ = 107011008. Its totient is φ = 34298000.

The previous prime is 64309111. The next prime is 64309139. The reversal of 64309125 is 52190346.

It is an interprime number because it is at equal distance from previous prime (64309111) and next prime (64309139).

It is not a de Polignac number, because 64309125 - 2⁵ = 64309093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64309092 and 64309101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85371 + ... + 86120.

It is an arithmetic number, because the mean of its divisors is an integer number (6688188).

Almost surely, 2^64309125 is an apocalyptic number.

It is an amenable number.

64309125 is a deficient number, since it is larger than the sum of its proper divisors (42701883).

64309125 is a wasteful number, since it uses less digits than its factorization.

64309125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171509 (or 171499 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 64309125 is about 8019.2970390178. The cubic root of 64309125 is about 400.6429763165.

The spelling of 64309125 in words is "sixty-four million, three hundred nine thousand, one hundred twenty-five".