18300252 has 12 divisors (see below), whose sum is σ = 42700616. Its totient is φ = 6100080.

The previous prime is 18300229. The next prime is 18300253. The reversal of 18300252 is 25200381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18300253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762499 + ... + 762522.

Almost surely, 2^18300252 is an apocalyptic number.

18300252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18300252 is an abundant number, since it is smaller than the sum of its proper divisors (24400364).

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

18300252 is a wasteful number, since it uses less digits than its factorization.

18300252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525028 (or 1525026 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 18300252 is about 4277.8793811888. The cubic root of 18300252 is about 263.5233018315.

The spelling of 18300252 in words is "eighteen million, three hundred thousand, two hundred fifty-two".