252272239 has 2 divisors, whose sum is σ = 252272240. Its totient is φ = 252272238.

The previous prime is 252272213. The next prime is 252272243. The reversal of 252272239 is 932272252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252272239 - 2²¹ = 250175087 is a prime.

It is equal to p_13796800 and since 252272239 and 13796800 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252272249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126136119 + 126136120.

It is an arithmetic number, because the mean of its divisors is an integer number (126136120).

Almost surely, 2^252272239 is an apocalyptic number.

252272239 is a deficient number, since it is larger than the sum of its proper divisors (1).

252272239 is an equidigital number, since it uses as much as digits as its factorization.

252272239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 252272239 is about 15883.0802743045. The cubic root of 252272239 is about 631.8633328570.

The spelling of 252272239 in words is "two hundred fifty-two million, two hundred seventy-two thousand, two hundred thirty-nine".