255530313 has 12 divisors (see below), whose sum is σ = 369258240. Its totient is φ = 170280216.

The previous prime is 255530311. The next prime is 255530321. The reversal of 255530313 is 313035552.

It is not a de Polignac number, because 255530313 - 2¹ = 255530311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255530311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23520 + ... + 32622.

It is an arithmetic number, because the mean of its divisors is an integer number (30771520).

Almost surely, 2^255530313 is an apocalyptic number.

It is an amenable number.

255530313 is a deficient number, since it is larger than the sum of its proper divisors (113727927).

255530313 is a wasteful number, since it uses less digits than its factorization.

255530313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228 (or 12225 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 255530313 is about 15985.3155427098. The cubic root of 255530313 is about 634.5718592874.

Adding to 255530313 its reverse (313035552), we get a palindrome (568565865).

The spelling of 255530313 in words is "two hundred fifty-five million, five hundred thirty thousand, three hundred thirteen".