252303251 has 4 divisors (see below), whose sum is σ = 252376152. Its totient is φ = 252230352.

The previous prime is 252303229. The next prime is 252303283. The reversal of 252303251 is 152303252.

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 252303251 - 2¹⁰ = 252302227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252303211) 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, 30986 + ... + 38271.

It is an arithmetic number, because the mean of its divisors is an integer number (63094038).

Almost surely, 2^252303251 is an apocalyptic number.

252303251 is a deficient number, since it is larger than the sum of its proper divisors (72901).

252303251 is an equidigital number, since it uses as much as digits as its factorization.

252303251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72900.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 252303251 is about 15884.0565032991. The cubic root of 252303251 is about 631.8892235943.

Subtracting from 252303251 its reverse (152303252), we obtain a palindrome (99999999).

The spelling of 252303251 in words is "two hundred fifty-two million, three hundred three thousand, two hundred fifty-one".