625045165 has 8 divisors (see below), whose sum is σ = 764206488. Its totient is φ = 490601280.

The previous prime is 625045159. The next prime is 625045177. The reversal of 625045165 is 561540526.

625045165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 215913636 + 409131529 = 14694^2 + 20227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 625045165 - 2¹⁷ = 624914093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625045165.

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, 1179066 + ... + 1179595.

It is an arithmetic number, because the mean of its divisors is an integer number (95525811).

Almost surely, 2^625045165 is an apocalyptic number.

It is an amenable number.

625045165 is a deficient number, since it is larger than the sum of its proper divisors (139161323).

625045165 is a wasteful number, since it uses less digits than its factorization.

625045165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358719.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 625045165 is about 25000.9032836816. The cubic root of 625045165 is about 855.0085677926.

It can be divided in two parts, 6250 and 45165, that added together give a palindrome (51415).

The spelling of 625045165 in words is "six hundred twenty-five million, forty-five thousand, one hundred sixty-five".