533663 has 4 divisors (see below), whose sum is σ = 574728. Its totient is φ = 492600.

The previous prime is 533641. The next prime is 533671. The reversal of 533663 is 366335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 533663 - 2¹⁰ = 532639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20513 + ... + 20538.

It is an arithmetic number, because the mean of its divisors is an integer number (143682).

2⁵³³⁶⁶³ is an apocalyptic number.

533663 is a deficient number, since it is larger than the sum of its proper divisors (41065).

533663 is a wasteful number, since it uses less digits than its factorization.

533663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41064.

The product of its digits is 4860, while the sum is 26.

The square root of 533663 is about 730.5224158094. The cubic root of 533663 is about 81.1127323265.

Adding to 533663 its reverse (366335), we get a palindrome (899998).

The spelling of 533663 in words is "five hundred thirty-three thousand, six hundred sixty-three".