625964823 has 36 divisors (see below), whose sum is σ = 1046183320. Its totient is φ = 359393760.

The previous prime is 625964783. The next prime is 625964827. The reversal of 625964823 is 328469526.

It is not a de Polignac number, because 625964823 - 2¹⁰ = 625963799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625964827) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5565 + ... + 35817.

Almost surely, 2^625964823 is an apocalyptic number.

625964823 is a deficient number, since it is larger than the sum of its proper divisors (420218497).

625964823 is a wasteful number, since it uses less digits than its factorization.

625964823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30300 (or 30286 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 625964823 is about 25019.2890186752. The cubic root of 625964823 is about 855.4277002441.

The spelling of 625964823 in words is "six hundred twenty-five million, nine hundred sixty-four thousand, eight hundred twenty-three".