252663277 has 2 divisors, whose sum is σ = 252663278. Its totient is φ = 252663276.

The previous prime is 252663233. The next prime is 252663287. The reversal of 252663277 is 772366252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143544361 + 109118916 = 11981^2 + 10446^2 .

It is a cyclic number.

It is not a de Polignac number, because 252663277 - 2¹⁹ = 252138989 is a prime.

It is equal to p_13816966 and since 252663277 and 13816966 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252663287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126331638 + 126331639.

It is an arithmetic number, because the mean of its divisors is an integer number (126331639).

Almost surely, 2^252663277 is an apocalyptic number.

It is an amenable number.

252663277 is a deficient number, since it is larger than the sum of its proper divisors (1).

252663277 is an equidigital number, since it uses as much as digits as its factorization.

252663277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The square root of 252663277 is about 15895.3853995428. The cubic root of 252663277 is about 632.1896404209.

The spelling of 252663277 in words is "two hundred fifty-two million, six hundred sixty-three thousand, two hundred seventy-seven".