563304013 has 4 divisors (see below), whose sum is σ = 568773088. Its totient is φ = 557834940.

The previous prime is 563303987. The next prime is 563304031. The reversal of 563304013 is 310403365.

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 a de Polignac number, because none of the positive numbers 2^k-563304013 is a prime.

It is a super-2 number, since 2×563304013² = 634622822123808338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563304113) 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, 2734383 + ... + 2734588.

It is an arithmetic number, because the mean of its divisors is an integer number (142193272).

Almost surely, 2^563304013 is an apocalyptic number.

It is an amenable number.

563304013 is a deficient number, since it is larger than the sum of its proper divisors (5469075).

563304013 is a wasteful number, since it uses less digits than its factorization.

563304013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469074.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 563304013 is about 23734.0264809830. The cubic root of 563304013 is about 825.8749275651.

Adding to 563304013 its reverse (310403365), we get a palindrome (873707378).

The spelling of 563304013 in words is "five hundred sixty-three million, three hundred four thousand, thirteen".