18786025 has 12 divisors (see below), whose sum is σ = 23357632. Its totient is φ = 14988240.

The previous prime is 18786023. The next prime is 18786059. The reversal of 18786025 is 52068781.

It is not a de Polignac number, because 18786025 - 2¹ = 18786023 is a prime.

It is a hoax number, since the sum of its digits (37) 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 (18786023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11404 + ... + 12946.

Almost surely, 2^18786025 is an apocalyptic number.

It is an amenable number.

18786025 is a deficient number, since it is larger than the sum of its proper divisors (4571607).

18786025 is a wasteful number, since it uses less digits than its factorization.

18786025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 18786025 is about 4334.2848314341. The cubic root of 18786025 is about 265.8346768886.

The spelling of 18786025 in words is "eighteen million, seven hundred eighty-six thousand, twenty-five".