18983125 has 20 divisors (see below), whose sum is σ = 27116320. Its totient is φ = 13014000.

The previous prime is 18983093. The next prime is 18983161. The reversal of 18983125 is 52138981.

It is not a de Polignac number, because 18983125 - 2⁵ = 18983093 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 19 ways as a sum of consecutive naturals, for example, 2206 + ... + 6544.

It is an arithmetic number, because the mean of its divisors is an integer number (1355816).

Almost surely, 2^18983125 is an apocalyptic number.

It is an amenable number.

18983125 is a deficient number, since it is larger than the sum of its proper divisors (8133195).

18983125 is an frugal number, since it uses more digits than its factorization.

18983125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 4351 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 18983125 is about 4356.9628182944. The cubic root of 18983125 is about 266.7611427398.

The spelling of 18983125 in words is "eighteen million, nine hundred eighty-three thousand, one hundred twenty-five".