255493 has 16 divisors (see below), whose sum is σ = 328320. Its totient is φ = 193536.

The previous prime is 255487. The next prime is 255499. The reversal of 255493 is 394552.

255493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255487) and next prime (255499).

It is not a de Polignac number, because 255493 - 2¹³ = 247301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255499) 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, 2205 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2²⁵⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

255493 is a deficient number, since it is larger than the sum of its proper divisors (72827).

255493 is a wasteful number, since it uses less digits than its factorization.

255493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156.

The product of its digits is 5400, while the sum is 28.

The square root of 255493 is about 505.4631539489. The cubic root of 255493 is about 63.4540970672.

It can be divided in two parts, 25549 and 3, that added together give a palindrome (25552).

The spelling of 255493 in words is "two hundred fifty-five thousand, four hundred ninety-three".