255790582 has 4 divisors (see below), whose sum is σ = 383685876. Its totient is φ = 127895290.

The previous prime is 255790543. The next prime is 255790603. The reversal of 255790582 is 285097552.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63947644 + ... + 63947647.

It is an arithmetic number, because the mean of its divisors is an integer number (95921469).

Almost surely, 2^255790582 is an apocalyptic number.

255790582 is a deficient number, since it is larger than the sum of its proper divisors (127895294).

255790582 is a wasteful number, since it uses less digits than its factorization.

255790582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127895293.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 255790582 is about 15993.4543485765. The cubic root of 255790582 is about 634.7872327447.

It can be divided in two parts, 2557 and 90582, that added together give a palindrome (93139).

The spelling of 255790582 in words is "two hundred fifty-five million, seven hundred ninety thousand, five hundred eighty-two".