252592729 has 2 divisors, whose sum is σ = 252592730. Its totient is φ = 252592728.

The previous prime is 252592727. The next prime is 252592763. The reversal of 252592729 is 927295252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237006025 + 15586704 = 15395^2 + 3948^2 .

It is a cyclic number.

It is not a de Polignac number, because 252592729 - 2¹ = 252592727 is a prime.

Together with 252592727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252592721) 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, 126296364 + 126296365.

It is an arithmetic number, because the mean of its divisors is an integer number (126296365).

Almost surely, 2^252592729 is an apocalyptic number.

It is an amenable number.

252592729 is a deficient number, since it is larger than the sum of its proper divisors (1).

252592729 is an equidigital number, since it uses as much as digits as its factorization.

252592729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 252592729 is about 15893.1661099983. The cubic root of 252592729 is about 632.1307954805.

The spelling of 252592729 in words is "two hundred fifty-two million, five hundred ninety-two thousand, seven hundred twenty-nine".