252565223 has 4 divisors (see below), whose sum is σ = 252991728. Its totient is φ = 252138720.

The previous prime is 252565213. The next prime is 252565237. The reversal of 252565223 is 322565252.

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

It is a cyclic number.

It is not a de Polignac number, because 252565223 - 2¹⁴ = 252548839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252565223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252565213) 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, 212363 + ... + 213548.

It is an arithmetic number, because the mean of its divisors is an integer number (63247932).

Almost surely, 2^252565223 is an apocalyptic number.

252565223 is a deficient number, since it is larger than the sum of its proper divisors (426505).

252565223 is an equidigital number, since it uses as much as digits as its factorization.

252565223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426504.

The product of its digits is 36000, while the sum is 32.

The square root of 252565223 is about 15892.3007459587. The cubic root of 252565223 is about 632.1078494244.

The spelling of 252565223 in words is "two hundred fifty-two million, five hundred sixty-five thousand, two hundred twenty-three".