18373025 has 24 divisors (see below), whose sum is σ = 25230528. Its totient is φ = 13160000.

The previous prime is 18373007. The next prime is 18373027. The reversal of 18373025 is 52037381.

It is not a de Polignac number, because 18373025 - 2⁸ = 18372769 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18373027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19055 + ... + 19995.

It is an arithmetic number, because the mean of its divisors is an integer number (1051272).

Almost surely, 2^18373025 is an apocalyptic number.

It is an amenable number.

18373025 is a deficient number, since it is larger than the sum of its proper divisors (6857503).

18373025 is a wasteful number, since it uses less digits than its factorization.

18373025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 18373025 is about 4286.3766750019. The cubic root of 18373025 is about 263.8721497949.

The spelling of 18373025 in words is "eighteen million, three hundred seventy-three thousand, twenty-five".