805801 has 4 divisors (see below), whose sum is σ = 808704. Its totient is φ = 802900.

The previous prime is 805799. The next prime is 805807. The reversal of 805801 is 108508.

805801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 805801 - 2¹ = 805799 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (805807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (202176).

2⁸⁰⁵⁸⁰¹ is an apocalyptic number.

It is an amenable number.

805801 is a deficient number, since it is larger than the sum of its proper divisors (2903).

805801 is a wasteful number, since it uses less digits than its factorization.

805801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 805801 is about 897.6641911093. The cubic root of 805801 is about 93.0556186365.

The spelling of 805801 in words is "eight hundred five thousand, eight hundred one".