252765259 has 2 divisors, whose sum is σ = 252765260. Its totient is φ = 252765258.

The previous prime is 252765221. The next prime is 252765269. The reversal of 252765259 is 952567252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252765259 - 2⁹ = 252764747 is a prime.

It is not a weakly prime, because it can be changed into another prime (252765209) 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, 126382629 + 126382630.

It is an arithmetic number, because the mean of its divisors is an integer number (126382630).

Almost surely, 2^252765259 is an apocalyptic number.

252765259 is a deficient number, since it is larger than the sum of its proper divisors (1).

252765259 is an equidigital number, since it uses as much as digits as its factorization.

252765259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The square root of 252765259 is about 15898.5929880603. The cubic root of 252765259 is about 632.2746854821.

The spelling of 252765259 in words is "two hundred fifty-two million, seven hundred sixty-five thousand, two hundred fifty-nine".