252908291 has 2 divisors, whose sum is σ = 252908292. Its totient is φ = 252908290.

The previous prime is 252908267. The next prime is 252908321. The reversal of 252908291 is 192809252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252908291 - 2¹⁰ = 252907267 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252908251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126454145 + 126454146.

It is an arithmetic number, because the mean of its divisors is an integer number (126454146).

Almost surely, 2^252908291 is an apocalyptic number.

252908291 is a deficient number, since it is larger than the sum of its proper divisors (1).

252908291 is an equidigital number, since it uses as much as digits as its factorization.

252908291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 252908291 is about 15903.0906115761. The cubic root of 252908291 is about 632.3939245215.

The spelling of 252908291 in words is "two hundred fifty-two million, nine hundred eight thousand, two hundred ninety-one".