18732125 has 16 divisors (see below), whose sum is σ = 23505456. Its totient is φ = 14904000.

The previous prime is 18732089. The next prime is 18732137. The reversal of 18732125 is 52123781.

It can be written as a sum of positive squares in 8 ways, for example, as 10310521 + 8421604 = 3211^2 + 2902^2 .

It is a de Polignac number, because none of the positive numbers 2^k-18732125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34355 + ... + 34895.

It is an arithmetic number, because the mean of its divisors is an integer number (1469091).

Almost surely, 2^18732125 is an apocalyptic number.

It is an amenable number.

18732125 is a deficient number, since it is larger than the sum of its proper divisors (4773331).

18732125 is an equidigital number, since it uses as much as digits as its factorization.

18732125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 823 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 18732125 is about 4328.0624995487. The cubic root of 18732125 is about 265.5801931342.

The spelling of 18732125 in words is "eighteen million, seven hundred thirty-two thousand, one hundred twenty-five".