805255 has 12 divisors (see below), whose sum is σ = 1062936. Its totient is φ = 585640.

The previous prime is 805249. The next prime is 805267. The reversal of 805255 is 552508.

It is an ABA number since it can be written as A⋅B^A, here for A=5, B=11.

It is not a de Polignac number, because 805255 - 2⁵ = 805223 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73200 + ... + 73210.

It is an arithmetic number, because the mean of its divisors is an integer number (88578).

805255 is a Friedman number, since it can be written as 5*(8+5-2-0)^5, using all its digits and the basic arithmetic operations.

2⁸⁰⁵²⁵⁵ is an apocalyptic number.

805255 is a deficient number, since it is larger than the sum of its proper divisors (257681).

805255 is an frugal number, since it uses more digits than its factorization.

805255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 805255 is about 897.3600169386. The cubic root of 805255 is about 93.0345961393.

It can be divided in two parts, 80 and 5255, that added together give a palindrome (5335).

The spelling of 805255 in words is "eight hundred five thousand, two hundred fifty-five".