18248275 has 6 divisors (see below), whose sum is σ = 22627892. Its totient is φ = 14598600.

The previous prime is 18248273. The next prime is 18248281. The reversal of 18248275 is 57284281.

It is not a de Polignac number, because 18248275 - 2¹ = 18248273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18248273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364941 + ... + 364990.

Almost surely, 2^18248275 is an apocalyptic number.

18248275 is a deficient number, since it is larger than the sum of its proper divisors (4379617).

18248275 is an equidigital number, since it uses as much as digits as its factorization.

18248275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729941 (or 729936 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 18248275 is about 4271.7999719088. The cubic root of 18248275 is about 263.2735759650.

The spelling of 18248275 in words is "eighteen million, two hundred forty-eight thousand, two hundred seventy-five".