533605 has 4 divisors (see below), whose sum is σ = 640332. Its totient is φ = 426880.

The previous prime is 533593. The next prime is 533633. The reversal of 533605 is 506335.

533605 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506335 = 5 ⋅101267.

It can be written as a sum of positive squares in 2 ways, for example, as 272484 + 261121 = 522^2 + 511^2 .

It is not a de Polignac number, because 533605 - 2⁵ = 533573 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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53356 + ... + 53365.

It is an arithmetic number, because the mean of its divisors is an integer number (160083).

2⁵³³⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

533605 is a deficient number, since it is larger than the sum of its proper divisors (106727).

533605 is a wasteful number, since it uses less digits than its factorization.

533605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106726.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 533605 is about 730.4827171125. The cubic root of 533605 is about 81.1097936999.

The spelling of 533605 in words is "five hundred thirty-three thousand, six hundred five".