64625325 has 24 divisors (see below), whose sum is σ = 107859168. Its totient is φ = 34140480.

The previous prime is 64625321. The next prime is 64625357. The reversal of 64625325 is 52352646.

It is not a de Polignac number, because 64625325 - 2² = 64625321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64625321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3999 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (4494132).

Almost surely, 2^64625325 is an apocalyptic number.

It is an amenable number.

64625325 is a deficient number, since it is larger than the sum of its proper divisors (43233843).

64625325 is a wasteful number, since it uses less digits than its factorization.

64625325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173 (or 8168 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 64625325 is about 8038.9878094198. The cubic root of 64625325 is about 401.2985403375.

The spelling of 64625325 in words is "sixty-four million, six hundred twenty-five thousand, three hundred twenty-five".