255782285 has 8 divisors (see below), whose sum is σ = 334842336. Its totient is φ = 186023440.

The previous prime is 255782281. The next prime is 255782299. The reversal of 255782285 is 582287552.

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

It is not a de Polignac number, because 255782285 - 2² = 255782281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255782281) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2325239 + ... + 2325348.

It is an arithmetic number, because the mean of its divisors is an integer number (41855292).

Almost surely, 2^255782285 is an apocalyptic number.

It is an amenable number.

255782285 is a deficient number, since it is larger than the sum of its proper divisors (79060051).

255782285 is a wasteful number, since it uses less digits than its factorization.

255782285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650603.

The product of its digits is 448000, while the sum is 44.

The square root of 255782285 is about 15993.1949591068. The cubic root of 255782285 is about 634.7803692048.

The spelling of 255782285 in words is "two hundred fifty-five million, seven hundred eighty-two thousand, two hundred eighty-five".