255767 has 2 divisors, whose sum is σ = 255768. Its totient is φ = 255766.

The previous prime is 255763. The next prime is 255803. The reversal of 255767 is 767552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255767 - 2² = 255763 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255767.

It is not a weakly prime, because it can be changed into another prime (255763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127883 + 127884.

It is an arithmetic number, because the mean of its divisors is an integer number (127884).

2²⁵⁵⁷⁶⁷ is an apocalyptic number.

255767 is a deficient number, since it is larger than the sum of its proper divisors (1).

255767 is an equidigital number, since it uses as much as digits as its factorization.

255767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14700, while the sum is 32.

The square root of 255767 is about 505.7341198693. The cubic root of 255767 is about 63.4767724582.

The spelling of 255767 in words is "two hundred fifty-five thousand, seven hundred sixty-seven".