623658925 has 12 divisors (see below), whose sum is σ = 773655840. Its totient is φ = 498721520.

The previous prime is 623658901. The next prime is 623658953. The reversal of 623658925 is 529856326.

623658925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623658925 - 2²³ = 615270317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94896 + ... + 101254.

It is an arithmetic number, because the mean of its divisors is an integer number (64471320).

Almost surely, 2^623658925 is an apocalyptic number.

It is an amenable number.

623658925 is a deficient number, since it is larger than the sum of its proper divisors (149996915).

623658925 is a wasteful number, since it uses less digits than its factorization.

623658925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292 (or 10287 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 623658925 is about 24973.1640966859. The cubic root of 623658925 is about 854.3760138335.

The spelling of 623658925 in words is "six hundred twenty-three million, six hundred fifty-eight thousand, nine hundred twenty-five".