255741 has 4 divisors (see below), whose sum is σ = 340992. Its totient is φ = 170492.

The previous prime is 255733. The next prime is 255743. The reversal of 255741 is 147552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255741 - 2³ = 255733 is a prime.

It is a D-number.

255741 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42621 + ... + 42626.

It is an arithmetic number, because the mean of its divisors is an integer number (85248).

2²⁵⁵⁷⁴¹ is an apocalyptic number.

It is an amenable number.

255741 is a deficient number, since it is larger than the sum of its proper divisors (85251).

255741 is an equidigital number, since it uses as much as digits as its factorization.

255741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85250.

The product of its digits is 1400, while the sum is 24.

The square root of 255741 is about 505.7084140095. The cubic root of 255741 is about 63.4746214745.

The spelling of 255741 in words is "two hundred fifty-five thousand, seven hundred forty-one".