252764293 has 2 divisors, whose sum is σ = 252764294. Its totient is φ = 252764292.

The previous prime is 252764287. The next prime is 252764311. The reversal of 252764293 is 392467252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130484929 + 122279364 = 11423^2 + 11058^2 .

It is a cyclic number.

It is not a de Polignac number, because 252764293 - 2⁹ = 252763781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252764233) 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, 126382146 + 126382147.

It is an arithmetic number, because the mean of its divisors is an integer number (126382147).

Almost surely, 2^252764293 is an apocalyptic number.

It is an amenable number.

252764293 is a deficient number, since it is larger than the sum of its proper divisors (1).

252764293 is an equidigital number, since it uses as much as digits as its factorization.

252764293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 252764293 is about 15898.5626079844. The cubic root of 252764293 is about 632.2738800206.

The spelling of 252764293 in words is "two hundred fifty-two million, seven hundred sixty-four thousand, two hundred ninety-three".