536566623 has 4 divisors (see below), whose sum is σ = 715422168. Its totient is φ = 357711080.

The previous prime is 536566603. The next prime is 536566627. The reversal of 536566623 is 326665635.

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 536566623 - 2¹⁰ = 536565599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536566627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89427768 + ... + 89427773.

It is an arithmetic number, because the mean of its divisors is an integer number (178855542).

Almost surely, 2^536566623 is an apocalyptic number.

536566623 is a deficient number, since it is larger than the sum of its proper divisors (178855545).

536566623 is a wasteful number, since it uses less digits than its factorization.

536566623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178855544.

The product of its digits is 583200, while the sum is 42.

The square root of 536566623 is about 23163.9077661780. The cubic root of 536566623 is about 812.5957589070.

The spelling of 536566623 in words is "five hundred thirty-six million, five hundred sixty-six thousand, six hundred twenty-three".