282668563 has 2 divisors, whose sum is σ = 282668564. Its totient is φ = 282668562.

The previous prime is 282668549. The next prime is 282668579. The reversal of 282668563 is 365866282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282668563 is a prime.

It is not a weakly prime, because it can be changed into another prime (282668543) 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, 141334281 + 141334282.

It is an arithmetic number, because the mean of its divisors is an integer number (141334282).

Almost surely, 2^282668563 is an apocalyptic number.

282668563 is a deficient number, since it is larger than the sum of its proper divisors (1).

282668563 is an equidigital number, since it uses as much as digits as its factorization.

282668563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The square root of 282668563 is about 16812.7500130110. The cubic root of 282668563 is about 656.2850385767.

The spelling of 282668563 in words is "two hundred eighty-two million, six hundred sixty-eight thousand, five hundred sixty-three".