255332563 has 2 divisors, whose sum is σ = 255332564. Its totient is φ = 255332562.

The previous prime is 255332533. The next prime is 255332569. The reversal of 255332563 is 365233552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255332563 - 2⁵ = 255332531 is a prime.

It is not a weakly prime, because it can be changed into another prime (255332569) 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, 127666281 + 127666282.

It is an arithmetic number, because the mean of its divisors is an integer number (127666282).

Almost surely, 2^255332563 is an apocalyptic number.

255332563 is a deficient number, since it is larger than the sum of its proper divisors (1).

255332563 is an equidigital number, since it uses as much as digits as its factorization.

255332563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 34.

The square root of 255332563 is about 15979.1289812680. The cubic root of 255332563 is about 634.4081227191.

The spelling of 255332563 in words is "two hundred fifty-five million, three hundred thirty-two thousand, five hundred sixty-three".