533565 has 24 divisors (see below), whose sum is σ = 943488. Its totient is φ = 278880.

The previous prime is 533549. The next prime is 533573. The reversal of 533565 is 565335.

It is a happy number.

It is not a de Polignac number, because 533565 - 2⁴ = 533549 is a prime.

It is a d-powerful number, because it can be written as 5⁴ + 3⁵ + 5⁴ + 3¹² + 6 + 5⁴ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3112 + ... + 3278.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁵³³⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

533565 is a deficient number, since it is larger than the sum of its proper divisors (409923).

533565 is a wasteful number, since it uses less digits than its factorization.

533565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 246 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 533565 is about 730.4553374437. The cubic root of 533565 is about 81.1077669368.

It can be divided in two parts, 53356 and 5, that added together give a square (53361 = 231²).

The spelling of 533565 in words is "five hundred thirty-three thousand, five hundred sixty-five".