18975325 has 12 divisors (see below), whose sum is σ = 23975028. Its totient is φ = 14892800.

The previous prime is 18975311. The next prime is 18975337. The reversal of 18975325 is 52357981.

It can be written as a sum of positive squares in 6 ways, for example, as 2442969 + 16532356 = 1563^2 + 4066^2 .

It is a de Polignac number, because none of the positive numbers 2^k-18975325 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

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, 5836 + ... + 8485.

It is an arithmetic number, because the mean of its divisors is an integer number (1997919).

Almost surely, 2^18975325 is an apocalyptic number.

It is an amenable number.

18975325 is a deficient number, since it is larger than the sum of its proper divisors (4999703).

18975325 is a wasteful number, since it uses less digits than its factorization.

18975325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384 (or 14379 counting only the distinct ones).

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

The square root of 18975325 is about 4356.0676073725. The cubic root of 18975325 is about 266.7246011279.

The spelling of 18975325 in words is "eighteen million, nine hundred seventy-five thousand, three hundred twenty-five".