252098281 has 2 divisors, whose sum is σ = 252098282. Its totient is φ = 252098280.

The previous prime is 252098267. The next prime is 252098309. The reversal of 252098281 is 182890252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229249881 + 22848400 = 15141^2 + 4780^2 .

It is a cyclic number.

It is not a de Polignac number, because 252098281 - 2¹³ = 252090089 is a prime.

It is a super-2 number, since 2×252098281² = 127107086566309922, which contains 22 as substring.

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 252098281.

It is not a weakly prime, because it can be changed into another prime (252798281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126049140 + 126049141.

It is an arithmetic number, because the mean of its divisors is an integer number (126049141).

Almost surely, 2^252098281 is an apocalyptic number.

It is an amenable number.

252098281 is a deficient number, since it is larger than the sum of its proper divisors (1).

252098281 is an equidigital number, since it uses as much as digits as its factorization.

252098281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 252098281 is about 15877.6031251571. The cubic root of 252098281 is about 631.7180626034.

The spelling of 252098281 in words is "two hundred fifty-two million, ninety-eight thousand, two hundred eighty-one".