806533 has 8 divisors (see below), whose sum is σ = 992768. Its totient is φ = 638064.

The previous prime is 806521. The next prime is 806543. The reversal of 806533 is 335608.

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

It is a de Polignac number, because none of the positive numbers 2^k-806533 is a prime.

806533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 806498 and 806507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341 + ... + 4522.

It is an arithmetic number, because the mean of its divisors is an integer number (124096).

2⁸⁰⁶⁵³³ is an apocalyptic number.

It is an amenable number.

806533 is a deficient number, since it is larger than the sum of its proper divisors (186235).

806533 is a wasteful number, since it uses less digits than its factorization.

806533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8883.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 806533 is about 898.0718234084. The cubic root of 806533 is about 93.0837877490.

It can be divided in two parts, 80653 and 3, that added together give a square (80656 = 284²).

The spelling of 806533 in words is "eight hundred six thousand, five hundred thirty-three".