563605645 has 16 divisors (see below), whose sum is σ = 731168640. Its totient is φ = 415606464.

The previous prime is 563605631. The next prime is 563605649. The reversal of 563605645 is 546506365.

It is a happy number.

563605645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 563605645 - 2⁵ = 563605613 is a prime.

It is a super-3 number, since 3×563605645³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 563605598 and 563605607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563605649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76657 + ... + 83686.

It is an arithmetic number, because the mean of its divisors is an integer number (45698040).

Almost surely, 2^563605645 is an apocalyptic number.

It is an amenable number.

563605645 is a deficient number, since it is larger than the sum of its proper divisors (167562995).

563605645 is a wasteful number, since it uses less digits than its factorization.

563605645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160404.

The product of its (nonzero) digits is 324000, while the sum is 40.

The square root of 563605645 is about 23740.3800517178. The cubic root of 563605645 is about 826.0223114822.

The spelling of 563605645 in words is "five hundred sixty-three million, six hundred five thousand, six hundred forty-five".