64125575 has 6 divisors (see below), whose sum is σ = 79515744. Its totient is φ = 51300440.

The previous prime is 64125569. The next prime is 64125619. The reversal of 64125575 is 57552146.

It is not a de Polignac number, because 64125575 - 2⁶ = 64125511 is a prime.

It is a super-2 number, since 2×64125575² = 8224178738161250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1282487 + ... + 1282536.

It is an arithmetic number, because the mean of its divisors is an integer number (13252624).

Almost surely, 2^64125575 is an apocalyptic number.

64125575 is a deficient number, since it is larger than the sum of its proper divisors (15390169).

64125575 is a wasteful number, since it uses less digits than its factorization.

64125575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565033 (or 2565028 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 64125575 is about 8007.8445913991. The cubic root of 64125575 is about 400.2614436641.

The spelling of 64125575 in words is "sixty-four million, one hundred twenty-five thousand, five hundred seventy-five".