563320439 has 16 divisors (see below), whose sum is σ = 647274240. Its totient is φ = 485242560.

The previous prime is 563320409. The next prime is 563320441. The reversal of 563320439 is 934023365.

It is a de Polignac number, because none of the positive numbers 2^k-563320439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563320399 and 563320408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563320409) 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, 16667 + ... + 37475.

It is an arithmetic number, because the mean of its divisors is an integer number (40454640).

Almost surely, 2^563320439 is an apocalyptic number.

563320439 is a deficient number, since it is larger than the sum of its proper divisors (83953801).

563320439 is a wasteful number, since it uses less digits than its factorization.

563320439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20950.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 563320439 is about 23734.3725217247. The cubic root of 563320439 is about 825.8829550183.

The spelling of 563320439 in words is "five hundred sixty-three million, three hundred twenty thousand, four hundred thirty-nine".