563643013 has 2 divisors, whose sum is σ = 563643014. Its totient is φ = 563643012.

The previous prime is 563642987. The next prime is 563643053. The reversal of 563643013 is 310346365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502521889 + 61121124 = 22417^2 + 7818^2 .

It is a cyclic number.

It is not a de Polignac number, because 563643013 - 2¹³ = 563634821 is a prime.

It is a super-2 number, since 2×563643013² = 635386892207436338, which contains 22 as substring.

It is equal to p_29523019 and since 563643013 and 29523019 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563643053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281821506 + 281821507.

It is an arithmetic number, because the mean of its divisors is an integer number (281821507).

Almost surely, 2^563643013 is an apocalyptic number.

It is an amenable number.

563643013 is a deficient number, since it is larger than the sum of its proper divisors (1).

563643013 is an equidigital number, since it uses as much as digits as its factorization.

563643013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 563643013 is about 23741.1670521902. The cubic root of 563643013 is about 826.0405666338.

Adding to 563643013 its reverse (310346365), we get a palindrome (873989378).

The spelling of 563643013 in words is "five hundred sixty-three million, six hundred forty-three thousand, thirteen".