563808365 has 4 divisors (see below), whose sum is σ = 676570044. Its totient is φ = 451046688.

The previous prime is 563808341. The next prime is 563808367.

563808365 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70879561 + 492928804 = 8419^2 + 22202^2 .

It is a cyclic number.

It is not a de Polignac number, because 563808365 - 2¹⁰ = 563807341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563808367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56380832 + ... + 56380841.

It is an arithmetic number, because the mean of its divisors is an integer number (169142511).

Almost surely, 2^563808365 is an apocalyptic number.

It is an amenable number.

563808365 is a deficient number, since it is larger than the sum of its proper divisors (112761679).

563808365 is a wasteful number, since it uses less digits than its factorization.

563808365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112761678.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 563808365 is about 23744.6491867115. The cubic root of 563808365 is about 826.1213353132.

The spelling of 563808365 in words is "five hundred sixty-three million, eight hundred eight thousand, three hundred sixty-five".