535805 has 8 divisors (see below), whose sum is σ = 649944. Its totient is φ = 424000.

The previous prime is 535793. The next prime is 535811. The reversal of 535805 is 508535.

It can be written as a sum of positive squares in 4 ways, for example, as 219961 + 315844 = 469^2 + 562^2 .

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

It is not a de Polignac number, because 535805 - 2⁶ = 535741 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 535805.

It is an unprimeable number.

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, 26 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (81243).

2⁵³⁵⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

535805 is a deficient number, since it is larger than the sum of its proper divisors (114139).

535805 is a wasteful number, since it uses less digits than its factorization.

535805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

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

The square root of 535805 is about 731.9870217429. The cubic root of 535805 is about 81.2211100444.

The spelling of 535805 in words is "five hundred thirty-five thousand, eight hundred five".