18652265 has 4 divisors (see below), whose sum is σ = 22382724. Its totient is φ = 14921808.

The previous prime is 18652219. The next prime is 18652273. The reversal of 18652265 is 56225681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5139289 + 13512976 = 2267^2 + 3676^2 .

It is a cyclic number.

It is not a de Polignac number, because 18652265 - 2²⁰ = 17603689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865222 + ... + 1865231.

It is an arithmetic number, because the mean of its divisors is an integer number (5595681).

Almost surely, 2^18652265 is an apocalyptic number.

It is an amenable number.

18652265 is a deficient number, since it is larger than the sum of its proper divisors (3730459).

18652265 is an equidigital number, since it uses as much as digits as its factorization.

18652265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730458.

The product of its digits is 28800, while the sum is 35.

The square root of 18652265 is about 4318.8268082895. The cubic root of 18652265 is about 265.2022426703.

The spelling of 18652265 in words is "eighteen million, six hundred fifty-two thousand, two hundred sixty-five".