255745163 has 2 divisors, whose sum is σ = 255745164. Its totient is φ = 255745162.

The previous prime is 255745159. The next prime is 255745181. The reversal of 255745163 is 361547552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255745163 - 2² = 255745159 is a prime.

It is not a weakly prime, because it can be changed into another prime (255745153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127872581 + 127872582.

It is an arithmetic number, because the mean of its divisors is an integer number (127872582).

Almost surely, 2^255745163 is an apocalyptic number.

255745163 is a deficient number, since it is larger than the sum of its proper divisors (1).

255745163 is an equidigital number, since it uses as much as digits as its factorization.

255745163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 38.

The square root of 255745163 is about 15992.0343608936. The cubic root of 255745163 is about 634.7496588985.

The spelling of 255745163 in words is "two hundred fifty-five million, seven hundred forty-five thousand, one hundred sixty-three".