18325534 has 8 divisors (see below), whose sum is σ = 27511848. Its totient is φ = 9154920.

The previous prime is 18325529. The next prime is 18325537. The reversal of 18325534 is 43552381.

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

It is a junction number, because it is equal to n+sod(n) for n = 18325496 and 18325505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18325537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357 + ... + 6064.

It is an arithmetic number, because the mean of its divisors is an integer number (3438981).

Almost surely, 2^18325534 is an apocalyptic number.

18325534 is a deficient number, since it is larger than the sum of its proper divisors (9186314).

18325534 is a wasteful number, since it uses less digits than its factorization.

18325534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850.

The product of its digits is 14400, while the sum is 31.

The square root of 18325534 is about 4280.8333300889. The cubic root of 18325534 is about 263.6445994400.

The spelling of 18325534 in words is "eighteen million, three hundred twenty-five thousand, five hundred thirty-four".