252286744281 has 64 divisors (see below), whose sum is σ = 417323182080. Its totient is φ = 133282506240.

The previous prime is 252286744271. The next prime is 252286744349. The reversal of 252286744281 is 182447682252.

It is not a de Polignac number, because 252286744281 - 2⁷ = 252286744153 is a prime.

It is a super-2 number, since 2×252286744281² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252286744211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2501820 + ... + 2600706.

It is an arithmetic number, because the mean of its divisors is an integer number (6520674720).

Almost surely, 2^252286744281 is an apocalyptic number.

It is an amenable number.

252286744281 is a deficient number, since it is larger than the sum of its proper divisors (165036437799).

252286744281 is a wasteful number, since it uses less digits than its factorization.

252286744281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99246.

The product of its digits is 3440640, while the sum is 51.

The spelling of 252286744281 in words is "two hundred fifty-two billion, two hundred eighty-six million, seven hundred forty-four thousand, two hundred eighty-one".