255763 has 2 divisors, whose sum is σ = 255764. Its totient is φ = 255762.

The previous prime is 255757. The next prime is 255767. The reversal of 255763 is 367552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255763 - 2⁹ = 255251 is a prime.

It is not a weakly prime, because it can be changed into another prime (255767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127881 + 127882.

It is an arithmetic number, because the mean of its divisors is an integer number (127882).

2²⁵⁵⁷⁶³ is an apocalyptic number.

255763 is a deficient number, since it is larger than the sum of its proper divisors (1).

255763 is an equidigital number, since it uses as much as digits as its factorization.

255763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 28.

The square root of 255763 is about 505.7301652067. The cubic root of 255763 is about 63.4764415471.

The spelling of 255763 in words is "two hundred fifty-five thousand, seven hundred sixty-three".