64125957 has 12 divisors (see below), whose sum is σ = 99460896. Its totient is φ = 36643320.

The previous prime is 64125953. The next prime is 64125967. The reversal of 64125957 is 75952146.

64125957 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 64125957 - 2² = 64125953 is a prime.

It is a super-2 number, since 2×64125957² = 8224276722331698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64125953) 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 11 ways as a sum of consecutive naturals, for example, 217969 + ... + 218262.

It is an arithmetic number, because the mean of its divisors is an integer number (8288408).

Almost surely, 2^64125957 is an apocalyptic number.

It is an amenable number.

64125957 is a deficient number, since it is larger than the sum of its proper divisors (35334939).

64125957 is a wasteful number, since it uses less digits than its factorization.

64125957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436248 (or 436241 counting only the distinct ones).

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

The square root of 64125957 is about 8007.8684429753. The cubic root of 64125957 is about 400.2622384566.

It can be divided in two parts, 6 and 4125957, that multiplied together give a palindrome (24755742).

The spelling of 64125957 in words is "sixty-four million, one hundred twenty-five thousand, nine hundred fifty-seven".