18053250 has 32 divisors (see below), whose sum is σ = 45062784. Its totient is φ = 4814000.

The previous prime is 18053237. The next prime is 18053251. The reversal of 18053250 is 5235081.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18053250.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18053251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11286 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (1408212).

Almost surely, 2^18053250 is an apocalyptic number.

18053250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18053250 is an abundant number, since it is smaller than the sum of its proper divisors (27009534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18053250 is a wasteful number, since it uses less digits than its factorization.

18053250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24091 (or 24081 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 18053250 is about 4248.9116253460. The cubic root of 18053250 is about 262.3323192149.

The spelling of 18053250 in words is "eighteen million, fifty-three thousand, two hundred fifty".