563653243 has 4 divisors (see below), whose sum is σ = 563867568. Its totient is φ = 563438920.

The previous prime is 563653213. The next prime is 563653261. The reversal of 563653243 is 342356365.

563653243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563653243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563653213) 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, 103168 + ... + 108493.

It is an arithmetic number, because the mean of its divisors is an integer number (140966892).

Almost surely, 2^563653243 is an apocalyptic number.

563653243 is a deficient number, since it is larger than the sum of its proper divisors (214325).

563653243 is a wasteful number, since it uses less digits than its factorization.

563653243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214324.

The product of its digits is 194400, while the sum is 37.

The square root of 563653243 is about 23741.3824997619. The cubic root of 563653243 is about 826.0455640901.

The spelling of 563653243 in words is "five hundred sixty-three million, six hundred fifty-three thousand, two hundred forty-three".