808265 has 16 divisors (see below), whose sum is σ = 1058832. Its totient is φ = 589824.

The previous prime is 808261. The next prime is 808267. The reversal of 808265 is 562808.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 284089 + 524176 = 533^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 808265 - 2² = 808261 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3017 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (66177).

2⁸⁰⁸²⁶⁵ is an apocalyptic number.

808265 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

808265 is a deficient number, since it is larger than the sum of its proper divisors (250567).

808265 is a wasteful number, since it uses less digits than its factorization.

808265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 808265 is about 899.0355944010. The cubic root of 808265 is about 93.1503714484.

The spelling of 808265 in words is "eight hundred eight thousand, two hundred sixty-five".