255307 has 8 divisors (see below), whose sum is σ = 282240. Its totient is φ = 229440.

The previous prime is 255259. The next prime is 255313. The reversal of 255307 is 703552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255307 - 2⁷ = 255179 is a prime.

It is an Ulam number.

It is a Duffinian number.

255307 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (255007) 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 in 7 ways as a sum of consecutive naturals, for example, 294 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2²⁵⁵³⁰⁷ is an apocalyptic number.

255307 is a deficient number, since it is larger than the sum of its proper divisors (26933).

255307 is a wasteful number, since it uses less digits than its factorization.

255307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 255307 is about 505.2791307782. The cubic root of 255307 is about 63.4386950441.

Adding to 255307 its reverse (703552), we get a palindrome (958859).

The spelling of 255307 in words is "two hundred fifty-five thousand, three hundred seven".