252881 has 2 divisors, whose sum is σ = 252882. Its totient is φ = 252880.

The previous prime is 252877. The next prime is 252887. The reversal of 252881 is 188252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172225 + 80656 = 415^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 252881 - 2² = 252877 is a prime.

It is a super-2 number, since 2×252881² = 127897600322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252881.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252881.

It is not a weakly prime, because it can be changed into another prime (252887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126440 + 126441.

It is an arithmetic number, because the mean of its divisors is an integer number (126441).

2²⁵²⁸⁸¹ is an apocalyptic number.

It is an amenable number.

252881 is a deficient number, since it is larger than the sum of its proper divisors (1).

252881 is an equidigital number, since it uses as much as digits as its factorization.

252881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 26.

The square root of 252881 is about 502.8727473228. The cubic root of 252881 is about 63.2371176772.

The spelling of 252881 in words is "two hundred fifty-two thousand, eight hundred eighty-one".