252663269 has 4 divisors (see below), whose sum is σ = 259492044. Its totient is φ = 245834496.

The previous prime is 252663233. The next prime is 252663277. The reversal of 252663269 is 962366252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 199883044 + 52780225 = 14138^2 + 7265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252663269 is a prime.

It is a super-2 number, since 2×252663269² = 127677455003532722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252662269) 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, 3414332 + ... + 3414405.

It is an arithmetic number, because the mean of its divisors is an integer number (64873011).

Almost surely, 2^252663269 is an apocalyptic number.

It is an amenable number.

252663269 is a deficient number, since it is larger than the sum of its proper divisors (6828775).

252663269 is an equidigital number, since it uses as much as digits as its factorization.

252663269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828774.

The product of its digits is 233280, while the sum is 41.

The square root of 252663269 is about 15895.3851478975. The cubic root of 252663269 is about 632.1896337486.

The spelling of 252663269 in words is "two hundred fifty-two million, six hundred sixty-three thousand, two hundred sixty-nine".