64238125 has 20 divisors (see below), whose sum is σ = 91745632. Its totient is φ = 44046000.

The previous prime is 64238123. The next prime is 64238131. The reversal of 64238125 is 52183246.

64238125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64238125 - 2¹ = 64238123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64238123) 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 19 ways as a sum of consecutive naturals, for example, 2967 + ... + 11716.

Almost surely, 2^64238125 is an apocalyptic number.

It is an amenable number.

64238125 is a deficient number, since it is larger than the sum of its proper divisors (27507507).

64238125 is an equidigital number, since it uses as much as digits as its factorization.

64238125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14710 (or 14695 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 64238125 is about 8014.8689945625. The cubic root of 64238125 is about 400.4954797461.

The spelling of 64238125 in words is "sixty-four million, two hundred thirty-eight thousand, one hundred twenty-five".