64579125 has 48 divisors (see below), whose sum is σ = 116475840. Its totient is φ = 31761600.

The previous prime is 64579117. The next prime is 64579159. The reversal of 64579125 is 52197546.

It is not a de Polignac number, because 64579125 - 2³ = 64579117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62866 + ... + 63884.

It is an arithmetic number, because the mean of its divisors is an integer number (2426580).

Almost surely, 2^64579125 is an apocalyptic number.

64579125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64579125 is a deficient number, since it is larger than the sum of its proper divisors (51896715).

64579125 is a wasteful number, since it uses less digits than its factorization.

64579125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1040 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 64579125 is about 8036.1137995924. The cubic root of 64579125 is about 401.2028894331.

It can be divided in two parts, 645791 and 25, that added together give a triangular number (645816 = T₁₁₃₆).

The spelling of 64579125 in words is "sixty-four million, five hundred seventy-nine thousand, one hundred twenty-five".