64630125 has 96 divisors (see below), whose sum is σ = 138228480. Its totient is φ = 28425600.

The previous prime is 64630121. The next prime is 64630127. The reversal of 64630125 is 52103646.

64630125 is a `hidden beast` number, since 6 + 4 + 630 + 1 + 25 = 666.

It is not a de Polignac number, because 64630125 - 2² = 64630121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64630121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228234 + ... + 228516.

It is an arithmetic number, because the mean of its divisors is an integer number (1439880).

Almost surely, 2^64630125 is an apocalyptic number.

It is an amenable number.

64630125 is an abundant number, since it is smaller than the sum of its proper divisors (73598355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64630125 is a wasteful number, since it uses less digits than its factorization.

64630125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 64630125 is about 8039.2863489243. The cubic root of 64630125 is about 401.3084754793.

The spelling of 64630125 in words is "sixty-four million, six hundred thirty thousand, one hundred twenty-five".