255677 has 4 divisors (see below), whose sum is σ = 257376. Its totient is φ = 253980.

The previous prime is 255667. The next prime is 255679. The reversal of 255677 is 776552.

It is a happy number.

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 255677 - 2⁶ = 255613 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255677.

It is not an unprimeable number, because it can be changed into a prime (255679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (64344).

2²⁵⁵⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

255677 is a deficient number, since it is larger than the sum of its proper divisors (1699).

255677 is a wasteful number, since it uses less digits than its factorization.

255677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its digits is 14700, while the sum is 32.

The square root of 255677 is about 505.6451324793. The cubic root of 255677 is about 63.4693261240.

The spelling of 255677 in words is "two hundred fifty-five thousand, six hundred seventy-seven".