563440613 has 4 divisors (see below), whose sum is σ = 564785760. Its totient is φ = 562095468.

The previous prime is 563440609. The next prime is 563440621. The reversal of 563440613 is 316044365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 563440613 - 2² = 563440609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 563440613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563440643) 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, 671945 + ... + 672782.

It is an arithmetic number, because the mean of its divisors is an integer number (141196440).

Almost surely, 2^563440613 is an apocalyptic number.

It is an amenable number.

563440613 is a deficient number, since it is larger than the sum of its proper divisors (1345147).

563440613 is a wasteful number, since it uses less digits than its factorization.

563440613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345146.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 563440613 is about 23736.9040314865. The cubic root of 563440613 is about 825.9416797952.

Adding to 563440613 its reverse (316044365), we get a palindrome (879484978).

The spelling of 563440613 in words is "five hundred sixty-three million, four hundred forty thousand, six hundred thirteen".