252050131129 has 4 divisors (see below), whose sum is σ = 252077994100. Its totient is φ = 252022268160.

The previous prime is 252050131127. The next prime is 252050131171. The reversal of 252050131129 is 921131050252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212110908025 + 39939223104 = 460555^2 + 199848^2 .

It is a cyclic number.

It is not a de Polignac number, because 252050131129 - 2¹ = 252050131127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252050131129.

It is not an unprimeable number, because it can be changed into a prime (252050131127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13917912 + ... + 13936009.

It is an arithmetic number, because the mean of its divisors is an integer number (63019498525).

Almost surely, 2^252050131129 is an apocalyptic number.

It is an amenable number.

252050131129 is a deficient number, since it is larger than the sum of its proper divisors (27862971).

252050131129 is an equidigital number, since it uses as much as digits as its factorization.

252050131129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27862970.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 252050131129 in words is "two hundred fifty-two billion, fifty million, one hundred thirty-one thousand, one hundred twenty-nine".