255315 has 8 divisors (see below), whose sum is σ = 408528. Its totient is φ = 136160.

The previous prime is 255313. The next prime is 255329. The reversal of 255315 is 513552.

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

It is not a de Polignac number, because 255315 - 2¹ = 255313 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 5 + 3¹¹ + 5 + 1 + 5⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 255291 and 255300.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255315.

It is not an unprimeable number, because it can be changed into a prime (255313) 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, 8496 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (51066).

2²⁵⁵³¹⁵ is an apocalyptic number.

255315 is a deficient number, since it is larger than the sum of its proper divisors (153213).

255315 is a wasteful number, since it uses less digits than its factorization.

255315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17029.

The product of its digits is 750, while the sum is 21.

The square root of 255315 is about 505.2870471326. The cubic root of 255315 is about 63.4393576506.

Adding to 255315 its reverse (513552), we get a palindrome (768867).

The spelling of 255315 in words is "two hundred fifty-five thousand, three hundred fifteen".