625227164 has 12 divisors (see below), whose sum is σ = 1096620504. Its totient is φ = 311907024.

The previous prime is 625227137. The next prime is 625227179. The reversal of 625227164 is 461722526.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 174647 + ... + 178190.

It is an arithmetic number, because the mean of its divisors is an integer number (91385042).

Almost surely, 2^625227164 is an apocalyptic number.

It is an amenable number.

625227164 is a deficient number, since it is larger than the sum of its proper divisors (471393340).

625227164 is a wasteful number, since it uses less digits than its factorization.

625227164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353284 (or 353282 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 625227164 is about 25004.5428672471. The cubic root of 625227164 is about 855.0915461180.

The spelling of 625227164 in words is "six hundred twenty-five million, two hundred twenty-seven thousand, one hundred sixty-four".