252369269 has 2 divisors, whose sum is σ = 252369270. Its totient is φ = 252369268.

The previous prime is 252369263. The next prime is 252369311. The reversal of 252369269 is 962963252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147306769 + 105062500 = 12137^2 + 10250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252369269 is a prime.

It is a super-2 number, since 2×252369269² = 127380495871188722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252369263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126184634 + 126184635.

It is an arithmetic number, because the mean of its divisors is an integer number (126184635).

Almost surely, 2^252369269 is an apocalyptic number.

It is an amenable number.

252369269 is a deficient number, since it is larger than the sum of its proper divisors (1).

252369269 is an equidigital number, since it uses as much as digits as its factorization.

252369269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The square root of 252369269 is about 15886.1344889183. The cubic root of 252369269 is about 631.9443324426.

The spelling of 252369269 in words is "two hundred fifty-two million, three hundred sixty-nine thousand, two hundred sixty-nine".