252761263 has 2 divisors, whose sum is σ = 252761264. Its totient is φ = 252761262.

The previous prime is 252761261. The next prime is 252761291. The reversal of 252761263 is 362167252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252761263 - 2¹ = 252761261 is a prime.

Together with 252761261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252761261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126380631 + 126380632.

It is an arithmetic number, because the mean of its divisors is an integer number (126380632).

Almost surely, 2^252761263 is an apocalyptic number.

252761263 is a deficient number, since it is larger than the sum of its proper divisors (1).

252761263 is an equidigital number, since it uses as much as digits as its factorization.

252761263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 252761263 is about 15898.4673160654. The cubic root of 252761263 is about 632.2713535594.

The spelling of 252761263 in words is "two hundred fifty-two million, seven hundred sixty-one thousand, two hundred sixty-three".