18132541 has 16 divisors (see below), whose sum is σ = 21441024. Its totient is φ = 15012144.

The previous prime is 18132539. The next prime is 18132559. The reversal of 18132541 is 14523181.

It is not a de Polignac number, because 18132541 - 2¹ = 18132539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18132571) 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, 31926 + ... + 32488.

It is an arithmetic number, because the mean of its divisors is an integer number (1340064).

Almost surely, 2^18132541 is an apocalyptic number.

It is an amenable number.

18132541 is a deficient number, since it is larger than the sum of its proper divisors (3308483).

18132541 is a wasteful number, since it uses less digits than its factorization.

18132541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its digits is 960, while the sum is 25.

The square root of 18132541 is about 4258.2321449165. The cubic root of 18132541 is about 262.7158182804.

The spelling of 18132541 in words is "eighteen million, one hundred thirty-two thousand, five hundred forty-one".