252494773 has 2 divisors, whose sum is σ = 252494774. Its totient is φ = 252494772.

The previous prime is 252494747. The next prime is 252494777. The reversal of 252494773 is 377494252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202834564 + 49660209 = 14242^2 + 7047^2 .

It is a cyclic number.

It is not a de Polignac number, because 252494773 - 2⁵ = 252494741 is a prime.

It is a super-2 number, since 2×252494773² = 127507220784643058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252494777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126247386 + 126247387.

It is an arithmetic number, because the mean of its divisors is an integer number (126247387).

Almost surely, 2^252494773 is an apocalyptic number.

It is an amenable number.

252494773 is a deficient number, since it is larger than the sum of its proper divisors (1).

252494773 is an equidigital number, since it uses as much as digits as its factorization.

252494773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 252494773 is about 15890.0841092802. The cubic root of 252494773 is about 632.0490710243.

The spelling of 252494773 in words is "two hundred fifty-two million, four hundred ninety-four thousand, seven hundred seventy-three".