252403769 has 2 divisors, whose sum is σ = 252403770. Its totient is φ = 252403768.

The previous prime is 252403763. The next prime is 252403799. The reversal of 252403769 is 967304252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161925625 + 90478144 = 12725^2 + 9512^2 .

It is a cyclic number.

It is not a de Polignac number, because 252403769 - 2²⁰ = 251355193 is a prime.

It is a super-2 number, since 2×252403769² = 127415325210810722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252403763) 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, 126201884 + 126201885.

It is an arithmetic number, because the mean of its divisors is an integer number (126201885).

Almost surely, 2^252403769 is an apocalyptic number.

It is an amenable number.

252403769 is a deficient number, since it is larger than the sum of its proper divisors (1).

252403769 is an equidigital number, since it uses as much as digits as its factorization.

252403769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 252403769 is about 15887.2203043830. The cubic root of 252403769 is about 631.9731276629.

The spelling of 252403769 in words is "two hundred fifty-two million, four hundred three thousand, seven hundred sixty-nine".