18083025 has 18 divisors (see below), whose sum is σ = 32389110. Its totient is φ = 9644160.

The previous prime is 18083011. The next prime is 18083059. The reversal of 18083025 is 52038081.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 968256 + 17114769 = 984^2 + 4137^2 .

It is not a de Polignac number, because 18083025 - 2⁵ = 18082993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18083025.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 39960 + ... + 40409.

It is an arithmetic number, because the mean of its divisors is an integer number (1799395).

Almost surely, 2^18083025 is an apocalyptic number.

18083025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18083025 is a deficient number, since it is larger than the sum of its proper divisors (14306085).

18083025 is a wasteful number, since it uses less digits than its factorization.

18083025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80385 (or 80377 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 18083025 is about 4252.4140202948. The cubic root of 18083025 is about 262.4764604742.

The spelling of 18083025 in words is "eighteen million, eighty-three thousand, twenty-five".