255727 has 4 divisors (see below), whose sum is σ = 261216. Its totient is φ = 250240.

The previous prime is 255713. The next prime is 255733. The reversal of 255727 is 727552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255727 - 2¹¹ = 253679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255695 and 255704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255757) 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, 2674 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (65304).

2²⁵⁵⁷²⁷ is an apocalyptic number.

255727 is a deficient number, since it is larger than the sum of its proper divisors (5489).

255727 is an equidigital number, since it uses as much as digits as its factorization.

255727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488.

The product of its digits is 4900, while the sum is 28.

The square root of 255727 is about 505.6945718514. The cubic root of 255727 is about 63.4734631920.

The spelling of 255727 in words is "two hundred fifty-five thousand, seven hundred twenty-seven".