18573925 has 12 divisors (see below), whose sum is σ = 24244480. Its totient is φ = 14076720.

The previous prime is 18573913. The next prime is 18573937. The reversal of 18573925 is 52937581.

It is an interprime number because it is at equal distance from previous prime (18573913) and next prime (18573937).

It is not a de Polignac number, because 18573925 - 2¹⁵ = 18541157 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19077 + ... + 20026.

Almost surely, 2^18573925 is an apocalyptic number.

It is an amenable number.

18573925 is a deficient number, since it is larger than the sum of its proper divisors (5670555).

18573925 is a wasteful number, since it uses less digits than its factorization.

18573925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39132 (or 39127 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 18573925 is about 4309.7476724282. The cubic root of 18573925 is about 264.8304362033.

The spelling of 18573925 in words is "eighteen million, five hundred seventy-three thousand, nine hundred twenty-five".