255782 has 8 divisors (see below), whose sum is σ = 406296. Its totient is φ = 120352.

The previous prime is 255767. The next prime is 255803. The reversal of 255782 is 287552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (50787).

2²⁵⁵⁷⁸² is an apocalyptic number.

255782 is a deficient number, since it is larger than the sum of its proper divisors (150514).

255782 is a wasteful number, since it uses less digits than its factorization.

255782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

The product of its digits is 5600, while the sum is 29.

The square root of 255782 is about 505.7489495787. The cubic root of 255782 is about 63.4780133441.

The spelling of 255782 in words is "two hundred fifty-five thousand, seven hundred eighty-two".