19956925 has 12 divisors (see below), whose sum is σ = 24928960. Its totient is φ = 15847920.

The previous prime is 19956917. The next prime is 19956941. The reversal of 19956925 is 52965991.

It is not a de Polignac number, because 19956925 - 2³ = 19956917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604 + ... + 6346.

Almost surely, 2^19956925 is an apocalyptic number.

It is an amenable number.

19956925 is a deficient number, since it is larger than the sum of its proper divisors (4972035).

19956925 is a wasteful number, since it uses less digits than its factorization.

19956925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5887 counting only the distinct ones).

The product of its digits is 218700, while the sum is 46.

The square root of 19956925 is about 4467.3174277188. The cubic root of 19956925 is about 271.2467490249.

The spelling of 19956925 in words is "nineteen million, nine hundred fifty-six thousand, nine hundred twenty-five".