252045769 has 2 divisors, whose sum is σ = 252045770. Its totient is φ = 252045768.

The previous prime is 252045763. The next prime is 252045797. The reversal of 252045769 is 967540252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131331600 + 120714169 = 11460^2 + 10987^2 .

It is a cyclic number.

It is not a de Polignac number, because 252045769 - 2¹⁹ = 251521481 is a prime.

It is a super-2 number, since 2×252045769² = 127054139341602722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252045763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126022884 + 126022885.

It is an arithmetic number, because the mean of its divisors is an integer number (126022885).

Almost surely, 2^252045769 is an apocalyptic number.

It is an amenable number.

252045769 is a deficient number, since it is larger than the sum of its proper divisors (1).

252045769 is an equidigital number, since it uses as much as digits as its factorization.

252045769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 252045769 is about 15875.9493889342. The cubic root of 252045769 is about 631.6741973268.

The spelling of 252045769 in words is "two hundred fifty-two million, forty-five thousand, seven hundred sixty-nine".