252052169 has 2 divisors, whose sum is σ = 252052170. Its totient is φ = 252052168.

The previous prime is 252052109. The next prime is 252052181. The reversal of 252052169 is 961250252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181710400 + 70341769 = 13480^2 + 8387^2 .

It is a cyclic number.

It is not a de Polignac number, because 252052169 - 2⁸ = 252051913 is a prime.

It is a super-2 number, since 2×252052169² = 127060591795209122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (252052109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126026084 + 126026085.

It is an arithmetic number, because the mean of its divisors is an integer number (126026085).

Almost surely, 2^252052169 is an apocalyptic number.

It is an amenable number.

252052169 is a deficient number, since it is larger than the sum of its proper divisors (1).

252052169 is an equidigital number, since it uses as much as digits as its factorization.

252052169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 252052169 is about 15876.1509504036. The cubic root of 252052169 is about 631.6795438169.

The spelling of 252052169 in words is "two hundred fifty-two million, fifty-two thousand, one hundred sixty-nine".