18125275 has 12 divisors (see below), whose sum is σ = 25686352. Its totient is φ = 12428640.

The previous prime is 18125267. The next prime is 18125279. The reversal of 18125275 is 57252181.

It is not a de Polignac number, because 18125275 - 2³ = 18125267 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18125279) 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, 51612 + ... + 51961.

Almost surely, 2^18125275 is an apocalyptic number.

18125275 is a deficient number, since it is larger than the sum of its proper divisors (7561077).

18125275 is a wasteful number, since it uses less digits than its factorization.

18125275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103590 (or 103585 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 18125275 is about 4257.3788884712. The cubic root of 18125275 is about 262.6807221114.

The spelling of 18125275 in words is "eighteen million, one hundred twenty-five thousand, two hundred seventy-five".