64388125 has 20 divisors (see below), whose sum is σ = 81648864. Its totient is φ = 50750000.

The previous prime is 64388119. The next prime is 64388143. The reversal of 64388125 is 52188346.

It is a happy number.

It is not a de Polignac number, because 64388125 - 2¹³ = 64379933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43650 + ... + 45100.

Almost surely, 2^64388125 is an apocalyptic number.

It is an amenable number.

64388125 is a deficient number, since it is larger than the sum of its proper divisors (17260739).

64388125 is an equidigital number, since it uses as much as digits as its factorization.

64388125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1527 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 64388125 is about 8024.2211460054. The cubic root of 64388125 is about 400.8069646753.

The spelling of 64388125 in words is "sixty-four million, three hundred eighty-eight thousand, one hundred twenty-five".