18589125 has 32 divisors (see below), whose sum is σ = 32572800. Its totient is φ = 9388800.

The previous prime is 18589121. The next prime is 18589127. The reversal of 18589125 is 52198581.

It is not a de Polignac number, because 18589125 - 2² = 18589121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18589121) 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 31 ways as a sum of consecutive naturals, for example, 5821 + ... + 8429.

It is an arithmetic number, because the mean of its divisors is an integer number (1017900).

Almost surely, 2^18589125 is an apocalyptic number.

18589125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18589125 is a deficient number, since it is larger than the sum of its proper divisors (13983675).

18589125 is a wasteful number, since it uses less digits than its factorization.

18589125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646 (or 2636 counting only the distinct ones).

The product of its digits is 28800, while the sum is 39.

The square root of 18589125 is about 4311.5107561039. The cubic root of 18589125 is about 264.9026579704.

The spelling of 18589125 in words is "eighteen million, five hundred eighty-nine thousand, one hundred twenty-five".