536663 has 4 divisors (see below), whose sum is σ = 538248. Its totient is φ = 535080.

The previous prime is 536651. The next prime is 536671. The reversal of 536663 is 366635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366635 = 5 ⋅73327.

It is a cyclic number.

It is not a de Polignac number, because 536663 - 2⁸ = 536407 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 3⁶ + 6² + 6² + 6⁴ + 3¹² .

It is a Duffinian number.

It is a nialpdrome in base 14.

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 536663.

It is not an unprimeable number, because it can be changed into a prime (536633) 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, 56 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (134562).

2⁵³⁶⁶⁶³ is an apocalyptic number.

536663 is a deficient number, since it is larger than the sum of its proper divisors (1585).

536663 is a wasteful number, since it uses less digits than its factorization.

536663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its digits is 9720, while the sum is 29.

The square root of 536663 is about 732.5728632703. The cubic root of 536663 is about 81.2644408257.

It can be divided in two parts, 5 and 36663, that multiplied together give a triangular number (183315 = T₆₀₅).

The spelling of 536663 in words is "five hundred thirty-six thousand, six hundred sixty-three".