252537773 has 2 divisors, whose sum is σ = 252537774. Its totient is φ = 252537772.

The previous prime is 252537757. The next prime is 252537781. The reversal of 252537773 is 377735252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182196004 + 70341769 = 13498^2 + 8387^2 .

It is a cyclic number.

It is not a de Polignac number, because 252537773 - 2⁴ = 252537757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252537773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252537073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126268886 + 126268887.

It is an arithmetic number, because the mean of its divisors is an integer number (126268887).

Almost surely, 2^252537773 is an apocalyptic number.

It is an amenable number.

252537773 is a deficient number, since it is larger than the sum of its proper divisors (1).

252537773 is an equidigital number, since it uses as much as digits as its factorization.

252537773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308700, while the sum is 41.

The square root of 252537773 is about 15891.4370967512. The cubic root of 252537773 is about 632.0849484236.

The spelling of 252537773 in words is "two hundred fifty-two million, five hundred thirty-seven thousand, seven hundred seventy-three".