18075285 has 32 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 9576000.

The previous prime is 18075283. The next prime is 18075287. The reversal of 18075285 is 58257081.

It is an interprime number because it is at equal distance from previous prime (18075283) and next prime (18075287).

It is not a de Polignac number, because 18075285 - 2¹ = 18075283 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 (18075283) 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, 25435 + ... + 26135.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 2^18075285 is an apocalyptic number.

18075285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18075285 is a deficient number, since it is larger than the sum of its proper divisors (14272875).

18075285 is a wasteful number, since it uses less digits than its factorization.

18075285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 18075285 is about 4251.5038515801. The cubic root of 18075285 is about 262.4390062369.

The spelling of 18075285 in words is "eighteen million, seventy-five thousand, two hundred eighty-five".