18125075 has 12 divisors (see below), whose sum is σ = 23024568. Its totient is φ = 14145600.

The previous prime is 18125071. The next prime is 18125089. The reversal of 18125075 is 57052181.

It is not a de Polignac number, because 18125075 - 2² = 18125071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18125071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7817 + ... + 9866.

It is an arithmetic number, because the mean of its divisors is an integer number (1918714).

Almost surely, 2^18125075 is an apocalyptic number.

18125075 is a deficient number, since it is larger than the sum of its proper divisors (4899493).

18125075 is a wasteful number, since it uses less digits than its factorization.

18125075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17734 (or 17729 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 18125075 is about 4257.3553997758. The cubic root of 18125075 is about 262.6797559406.

The spelling of 18125075 in words is "eighteen million, one hundred twenty-five thousand, seventy-five".