255713 has 2 divisors, whose sum is σ = 255714. Its totient is φ = 255712.

The previous prime is 255709. The next prime is 255733. The reversal of 255713 is 317552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253009 + 2704 = 503^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 255713 - 2² = 255709 is a prime.

It is not a weakly prime, because it can be changed into another prime (255733) 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, 127856 + 127857.

It is an arithmetic number, because the mean of its divisors is an integer number (127857).

2²⁵⁵⁷¹³ is an apocalyptic number.

It is an amenable number.

255713 is a deficient number, since it is larger than the sum of its proper divisors (1).

255713 is an equidigital number, since it uses as much as digits as its factorization.

255713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1050, while the sum is 23.

The square root of 255713 is about 505.6807293145. The cubic root of 255713 is about 63.4723048673.

The spelling of 255713 in words is "two hundred fifty-five thousand, seven hundred thirteen".