8255805 has 16 divisors (see below), whose sum is σ = 13250304. Its totient is φ = 4389440.

The previous prime is 8255803. The next prime is 8255831. The reversal of 8255805 is 5085528.

It is not a de Polignac number, because 8255805 - 2¹ = 8255803 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

8255805 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5827 + ... + 7103.

It is an arithmetic number, because the mean of its divisors is an integer number (828144).

Almost surely, 2^8255805 is an apocalyptic number.

It is an amenable number.

8255805 is a deficient number, since it is larger than the sum of its proper divisors (4994499).

8255805 is a wasteful number, since it uses less digits than its factorization.

8255805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 8255805 is about 2873.2916663646. The cubic root of 8255805 is about 202.1093826436.

The spelling of 8255805 in words is "eight million, two hundred fifty-five thousand, eight hundred five".