565253263 has 2 divisors, whose sum is σ = 565253264. Its totient is φ = 565253262.

The previous prime is 565253261. The next prime is 565253279. The reversal of 565253263 is 362352565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565253263 - 2¹ = 565253261 is a prime.

It is a super-2 number, since 2×565253263² = 639022502664294338, which contains 22 as substring.

Together with 565253261, 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 (565253261) 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, 282626631 + 282626632.

It is an arithmetic number, because the mean of its divisors is an integer number (282626632).

Almost surely, 2^565253263 is an apocalyptic number.

565253263 is a deficient number, since it is larger than the sum of its proper divisors (1).

565253263 is an equidigital number, since it uses as much as digits as its factorization.

565253263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 37.

The square root of 565253263 is about 23775.0554783790. The cubic root of 565253263 is about 826.8264465442.

It can be divided in two parts, 565253 and 263, that added together give a triangular number (565516 = T₁₀₆₃).

The spelling of 565253263 in words is "five hundred sixty-five million, two hundred fifty-three thousand, two hundred sixty-three".