252342251 has 4 divisors (see below), whose sum is σ = 288391152. Its totient is φ = 216293352.

The previous prime is 252342247. The next prime is 252342329. The reversal of 252342251 is 152243252.

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 252342251 - 2² = 252342247 is a prime.

It is a super-2 number, since 2×252342251² = 127353223279494002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252342251.

It is not an unprimeable number, because it can be changed into a prime (252342241) 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, 18024440 + ... + 18024453.

It is an arithmetic number, because the mean of its divisors is an integer number (72097788).

Almost surely, 2^252342251 is an apocalyptic number.

252342251 is a deficient number, since it is larger than the sum of its proper divisors (36048901).

252342251 is an equidigital number, since it uses as much as digits as its factorization.

252342251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36048900.

The product of its digits is 4800, while the sum is 26.

The square root of 252342251 is about 15885.2841019605. The cubic root of 252342251 is about 631.9217801969.

The spelling of 252342251 in words is "two hundred fifty-two million, three hundred forty-two thousand, two hundred fifty-one".