252389369 has 4 divisors (see below), whose sum is σ = 265673040. Its totient is φ = 239105700.

The previous prime is 252389359. The next prime is 252389479. The reversal of 252389369 is 963983252.

It is a happy number.

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 not a de Polignac number, because 252389369 - 2¹⁶ = 252323833 is a prime.

It is a super-2 number, since 2×252389369² = 127400787168436322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252389329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6641807 + ... + 6641844.

It is an arithmetic number, because the mean of its divisors is an integer number (66418260).

Almost surely, 2^252389369 is an apocalyptic number.

It is an amenable number.

252389369 is a deficient number, since it is larger than the sum of its proper divisors (13283671).

252389369 is a wasteful number, since it uses less digits than its factorization.

252389369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283670.

The product of its digits is 699840, while the sum is 47.

The square root of 252389369 is about 15886.7671034733. The cubic root of 252389369 is about 631.9611091074.

The spelling of 252389369 in words is "two hundred fifty-two million, three hundred eighty-nine thousand, three hundred sixty-nine".