255135 has 16 divisors (see below), whose sum is σ = 415584. Its totient is φ = 133632.

The previous prime is 255133. The next prime is 255137. The reversal of 255135 is 531552.

255135 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (255133) and next prime (255137).

It is not a de Polignac number, because 255135 - 2¹ = 255133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (25974).

2²⁵⁵¹³⁵ is an apocalyptic number.

255135 is a deficient number, since it is larger than the sum of its proper divisors (160449).

255135 is a wasteful number, since it uses less digits than its factorization.

255135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

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

The square root of 255135 is about 505.1088991495. The cubic root of 255135 is about 63.4244456544.

Adding to 255135 its reverse (531552), we get a palindrome (786687).

The spelling of 255135 in words is "two hundred fifty-five thousand, one hundred thirty-five".