252298507 has 2 divisors, whose sum is σ = 252298508. Its totient is φ = 252298506.

The previous prime is 252298499. The next prime is 252298517. The reversal of 252298507 is 705892252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252298507 - 2³ = 252298499 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252298507.

It is not a weakly prime, because it can be changed into another prime (252298517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126149253 + 126149254.

It is an arithmetic number, because the mean of its divisors is an integer number (126149254).

Almost surely, 2^252298507 is an apocalyptic number.

252298507 is a deficient number, since it is larger than the sum of its proper divisors (1).

252298507 is an equidigital number, since it uses as much as digits as its factorization.

252298507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 252298507 is about 15883.9071704666. The cubic root of 252298507 is about 631.8852631469.

The spelling of 252298507 in words is "two hundred fifty-two million, two hundred ninety-eight thousand, five hundred seven".