18325285 has 8 divisors (see below), whose sum is σ = 23989536. Its totient is φ = 13327440.

The previous prime is 18325283. The next prime is 18325301. The reversal of 18325285 is 58252381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18325285 - 2¹ = 18325283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18325285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18325283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166539 + ... + 166648.

It is an arithmetic number, because the mean of its divisors is an integer number (2998692).

Almost surely, 2^18325285 is an apocalyptic number.

It is an amenable number.

18325285 is a deficient number, since it is larger than the sum of its proper divisors (5664251).

18325285 is a wasteful number, since it uses less digits than its factorization.

18325285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333203.

The product of its digits is 19200, while the sum is 34.

The square root of 18325285 is about 4280.8042468676. The cubic root of 18325285 is about 263.6434053356.

It can be divided in two parts, 1832 and 5285, that added together give a palindrome (7117).

The spelling of 18325285 in words is "eighteen million, three hundred twenty-five thousand, two hundred eighty-five".