18492125 has 8 divisors (see below), whose sum is σ = 23078328. Its totient is φ = 14793600.

The previous prime is 18492079. The next prime is 18492127. The reversal of 18492125 is 52129481.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 18472804 = 139^2 + 4298^2 .

It is not a de Polignac number, because 18492125 - 2²⁰ = 17443549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18492091 and 18492100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18492127) 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 7 ways as a sum of consecutive naturals, for example, 73844 + ... + 74093.

It is an arithmetic number, because the mean of its divisors is an integer number (2884791).

Almost surely, 2^18492125 is an apocalyptic number.

It is an amenable number.

18492125 is a deficient number, since it is larger than the sum of its proper divisors (4586203).

18492125 is an equidigital number, since it uses as much as digits as its factorization.

18492125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147952 (or 147942 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 18492125 is about 4300.2470859242. The cubic root of 18492125 is about 264.4410909363.

The spelling of 18492125 in words is "eighteen million, four hundred ninety-two thousand, one hundred twenty-five".