625464495 has 24 divisors (see below), whose sum is σ = 1084720416. Its totient is φ = 333402048.

The previous prime is 625464491. The next prime is 625464517. The reversal of 625464495 is 594464526.

625464495 is a `hidden beast` number, since 62 + 546 + 4 + 49 + 5 = 666.

It is not a de Polignac number, because 625464495 - 2² = 625464491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 625464495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625464491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160662 + ... + 164508.

It is an arithmetic number, because the mean of its divisors is an integer number (45196684).

Almost surely, 2^625464495 is an apocalyptic number.

625464495 is a deficient number, since it is larger than the sum of its proper divisors (459255921).

625464495 is a wasteful number, since it uses less digits than its factorization.

625464495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471 (or 7468 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 625464495 is about 25009.2881745963. The cubic root of 625464495 is about 855.1997276296.

The spelling of 625464495 in words is "six hundred twenty-five million, four hundred sixty-four thousand, four hundred ninety-five".