252418841 has 2 divisors, whose sum is σ = 252418842. Its totient is φ = 252418840.

The previous prime is 252418823. The next prime is 252418861. The reversal of 252418841 is 148814252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213043216 + 39375625 = 14596^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 252418841 - 2²⁶ = 185309977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252418861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126209420 + 126209421.

It is an arithmetic number, because the mean of its divisors is an integer number (126209421).

Almost surely, 2^252418841 is an apocalyptic number.

It is an amenable number.

252418841 is a deficient number, since it is larger than the sum of its proper divisors (1).

252418841 is an equidigital number, since it uses as much as digits as its factorization.

252418841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20480, while the sum is 35.

The square root of 252418841 is about 15887.6946408219. The cubic root of 252418841 is about 631.9857065947.

The spelling of 252418841 in words is "two hundred fifty-two million, four hundred eighteen thousand, eight hundred forty-one".