18265030 has 32 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 6234720.

The previous prime is 18265001. The next prime is 18265031. The reversal of 18265030 is 3056281.

It is a happy number.

It is a super-2 number, since 2×18265030² = 667222641801800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18264986 and 18265004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18265031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21351 + ... + 22189.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^18265030 is an apocalyptic number.

18265030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18265030 is an abundant number, since it is smaller than the sum of its proper divisors (19474490).

18265030 is a wasteful number, since it uses less digits than its factorization.

18265030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 18265030 is about 4273.7606390625. The cubic root of 18265030 is about 263.3541278599.

The spelling of 18265030 in words is "eighteen million, two hundred sixty-five thousand, thirty".