64886125 has 8 divisors (see below), whose sum is σ = 80978040. Its totient is φ = 51908800.

The previous prime is 64886111. The next prime is 64886167. The reversal of 64886125 is 52168846.

It can be written as a sum of positive squares in 4 ways, for example, as 7823209 + 57062916 = 2797^2 + 7554^2 .

It is not a de Polignac number, because 64886125 - 2¹¹ = 64884077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259420 + ... + 259669.

It is an arithmetic number, because the mean of its divisors is an integer number (10122255).

Almost surely, 2^64886125 is an apocalyptic number.

It is an amenable number.

64886125 is a deficient number, since it is larger than the sum of its proper divisors (16091915).

64886125 is an equidigital number, since it uses as much as digits as its factorization.

64886125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519104 (or 519094 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 64886125 is about 8055.1924247655. The cubic root of 64886125 is about 401.8376385333.

The spelling of 64886125 in words is "sixty-four million, eight hundred eighty-six thousand, one hundred twenty-five".