18795253 has 4 divisors (see below), whose sum is σ = 19195200. Its totient is φ = 18395308.

The previous prime is 18795241. The next prime is 18795289. The reversal of 18795253 is 35259781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18795253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18795233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199903 + ... + 199996.

It is an arithmetic number, because the mean of its divisors is an integer number (4798800).

Almost surely, 2^18795253 is an apocalyptic number.

It is an amenable number.

18795253 is a deficient number, since it is larger than the sum of its proper divisors (399947).

18795253 is an equidigital number, since it uses as much as digits as its factorization.

18795253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399946.

The product of its digits is 75600, while the sum is 40.

The square root of 18795253 is about 4335.3492362208. The cubic root of 18795253 is about 265.8781971976.

The spelling of 18795253 in words is "eighteen million, seven hundred ninety-five thousand, two hundred fifty-three".