633968925 has 24 divisors (see below), whose sum is σ = 1055215200. Its totient is φ = 335841600.

The previous prime is 633968899. The next prime is 633968939. The reversal of 633968925 is 529869336.

633968925 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 633968925 - 2⁵ = 633968893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17191 + ... + 39540.

It is an arithmetic number, because the mean of its divisors is an integer number (43967300).

Almost surely, 2^633968925 is an apocalyptic number.

It is an amenable number.

633968925 is a deficient number, since it is larger than the sum of its proper divisors (421246275).

633968925 is a wasteful number, since it uses less digits than its factorization.

633968925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56893 (or 56888 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 633968925 is about 25178.7395435117. The cubic root of 633968925 is about 859.0583369720.

The spelling of 633968925 in words is "six hundred thirty-three million, nine hundred sixty-eight thousand, nine hundred twenty-five".