18325542 has 16 divisors (see below), whose sum is σ = 36711792. Its totient is φ = 6098400.

The previous prime is 18325537. The next prime is 18325579. The reversal of 18325542 is 24552381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (2294487).

Almost surely, 2^18325542 is an apocalyptic number.

18325542 is an abundant number, since it is smaller than the sum of its proper divisors (18386250).

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

18325542 is a wasteful number, since it uses less digits than its factorization.

18325542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063.

The product of its digits is 9600, while the sum is 30.

The square root of 18325542 is about 4280.8342644863. The cubic root of 18325542 is about 263.6446378047.

The spelling of 18325542 in words is "eighteen million, three hundred twenty-five thousand, five hundred forty-two".