536566 has 4 divisors (see below), whose sum is σ = 804852. Its totient is φ = 268282.

The previous prime is 536563. The next prime is 536593. The reversal of 536566 is 665635.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134140 + ... + 134143.

It is an arithmetic number, because the mean of its divisors is an integer number (201213).

2⁵³⁶⁵⁶⁶ is an apocalyptic number.

536566 is a deficient number, since it is larger than the sum of its proper divisors (268286).

536566 is a wasteful number, since it uses less digits than its factorization.

536566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268285.

The product of its digits is 16200, while the sum is 31.

The square root of 536566 is about 732.5066552599. The cubic root of 536566 is about 81.2595444409.

The spelling of 536566 in words is "five hundred thirty-six thousand, five hundred sixty-six".