252142339 has 2 divisors, whose sum is σ = 252142340. Its totient is φ = 252142338.

The previous prime is 252142321. The next prime is 252142343. The reversal of 252142339 is 933241252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252142339 - 2¹⁷ = 252011267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252142339.

It is not a weakly prime, because it can be changed into another prime (252142139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126071169 + 126071170.

It is an arithmetic number, because the mean of its divisors is an integer number (126071170).

Almost surely, 2^252142339 is an apocalyptic number.

252142339 is a deficient number, since it is larger than the sum of its proper divisors (1).

252142339 is an equidigital number, since it uses as much as digits as its factorization.

252142339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 252142339 is about 15878.9904905822. The cubic root of 252142339 is about 631.7548612322.

The spelling of 252142339 in words is "two hundred fifty-two million, one hundred forty-two thousand, three hundred thirty-nine".