805535 has 8 divisors (see below), whose sum is σ = 998016. Its totient is φ = 623520.

The previous prime is 805531. The next prime is 805537. The reversal of 805535 is 535508.

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

It is not a de Polignac number, because 805535 - 2² = 805531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805535.

It is not an unprimeable number, because it can be changed into a prime (805531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2444 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (124752).

2⁸⁰⁵⁵³⁵ is an apocalyptic number.

805535 is a deficient number, since it is larger than the sum of its proper divisors (192481).

805535 is a wasteful number, since it uses less digits than its factorization.

805535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 805535 is about 897.5160165702. The cubic root of 805535 is about 93.0453780937.

The spelling of 805535 in words is "eight hundred five thousand, five hundred thirty-five".