255356663 has 2 divisors, whose sum is σ = 255356664. Its totient is φ = 255356662.

The previous prime is 255356623. The next prime is 255356681. The reversal of 255356663 is 366653552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255356663 - 2²⁶ = 188247799 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255356663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255356623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127678331 + 127678332.

It is an arithmetic number, because the mean of its divisors is an integer number (127678332).

Almost surely, 2^255356663 is an apocalyptic number.

255356663 is a deficient number, since it is larger than the sum of its proper divisors (1).

255356663 is an equidigital number, since it uses as much as digits as its factorization.

255356663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 41.

The square root of 255356663 is about 15979.8830721629. The cubic root of 255356663 is about 634.4280819891.

The spelling of 255356663 in words is "two hundred fifty-five million, three hundred fifty-six thousand, six hundred sixty-three".