252366635263 has 4 divisors (see below), whose sum is σ = 252369411840. Its totient is φ = 252363858688.

The previous prime is 252366635239. The next prime is 252366635273. The reversal of 252366635263 is 362536663252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252366635263 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 (252366635273) 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, 1247170 + ... + 1435327.

It is an arithmetic number, because the mean of its divisors is an integer number (63092352960).

Almost surely, 2^252366635263 is an apocalyptic number.

252366635263 is a deficient number, since it is larger than the sum of its proper divisors (2776577).

252366635263 is an equidigital number, since it uses as much as digits as its factorization.

252366635263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776576.

The product of its digits is 6998400, while the sum is 49.

The spelling of 252366635263 in words is "two hundred fifty-two billion, three hundred sixty-six million, six hundred thirty-five thousand, two hundred sixty-three".