18250 has 16 divisors (see below), whose sum is σ = 34632. Its totient is φ = 7200.

The previous prime is 18233. The next prime is 18251. The reversal of 18250 is 5281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5929 + 12321 = 77^2 + 111^2 .

It is not an unprimeable number, because it can be changed into a prime (18251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 286.

2¹⁸²⁵⁰ is an apocalyptic number.

18250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18250 is a deficient number, since it is larger than the sum of its proper divisors (16382).

18250 is an equidigital number, since it uses as much as digits as its factorization.

18250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 18250 is about 135.0925608611. The cubic root of 18250 is about 26.3281871409.

It can be divided in two parts, 182 and 50, that added together give a palindrome (232).

The spelling of 18250 in words is "eighteen thousand, two hundred fifty".