625094564 has 6 divisors (see below), whose sum is σ = 1093915494. Its totient is φ = 312547280.

The previous prime is 625094551. The next prime is 625094567. The reversal of 625094564 is 465490526.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 595848100 + 29246464 = 24410^2 + 5408^2 .

It is not an unprimeable number, because it can be changed into a prime (625094567) by changing a digit.

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 as a sum of consecutive naturals, namely, 78136817 + ... + 78136824.

It is an arithmetic number, because the mean of its divisors is an integer number (182319249).

Almost surely, 2^625094564 is an apocalyptic number.

It is an amenable number.

625094564 is a deficient number, since it is larger than the sum of its proper divisors (468820930).

625094564 is a wasteful number, since it uses less digits than its factorization.

625094564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156273645 (or 156273643 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 625094564 is about 25001.8912084666. The cubic root of 625094564 is about 855.0310917412.

The spelling of 625094564 in words is "six hundred twenty-five million, ninety-four thousand, five hundred sixty-four".