18037125 has 24 divisors (see below), whose sum is σ = 32516952. Its totient is φ = 9619200.

The previous prime is 18037079. The next prime is 18037127. The reversal of 18037125 is 52173081.

It can be written as a sum of positive squares in 4 ways, for example, as 5377761 + 12659364 = 2319^2 + 3558^2 .

It is not a de Polignac number, because 18037125 - 2¹⁰ = 18036101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18037127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6892 + ... + 9141.

It is an arithmetic number, because the mean of its divisors is an integer number (1354873).

Almost surely, 2^18037125 is an apocalyptic number.

18037125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18037125 is a deficient number, since it is larger than the sum of its proper divisors (14479827).

18037125 is a wasteful number, since it uses less digits than its factorization.

18037125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16054 (or 16041 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 18037125 is about 4247.0136566769. The cubic root of 18037125 is about 262.2541916625.

The spelling of 18037125 in words is "eighteen million, thirty-seven thousand, one hundred twenty-five".