255329 has 2 divisors, whose sum is σ = 255330. Its totient is φ = 255328.

The previous prime is 255313. The next prime is 255349. The reversal of 255329 is 923552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 5329 = 500^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 255329 - 2⁴ = 255313 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 255298 and 255307.

It is not a weakly prime, because it can be changed into another prime (255349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127664 + 127665.

It is an arithmetic number, because the mean of its divisors is an integer number (127665).

2²⁵⁵³²⁹ is an apocalyptic number.

It is an amenable number.

255329 is a deficient number, since it is larger than the sum of its proper divisors (1).

255329 is an equidigital number, since it uses as much as digits as its factorization.

255329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 255329 is about 505.3009004544. The cubic root of 255329 is about 63.4405171788.

It can be divided in two parts, 25 and 5329, that multiplied together give a square (133225 = 365²).

The spelling of 255329 in words is "two hundred fifty-five thousand, three hundred twenty-nine".