563408281 has 2 divisors, whose sum is σ = 563408282. Its totient is φ = 563408280.

The previous prime is 563408267. The next prime is 563408303. The reversal of 563408281 is 182804365.

It is a happy number.

563408281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334158400 + 229249881 = 18280^2 + 15141^2 .

It is a cyclic number.

It is not a de Polignac number, because 563408281 - 2¹⁵ = 563375513 is a prime.

It is a super-2 number, since 2×563408281² = 634857782198749922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 563408281.

It is not a weakly prime, because it can be changed into another prime (563408381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281704140 + 281704141.

It is an arithmetic number, because the mean of its divisors is an integer number (281704141).

Almost surely, 2^563408281 is an apocalyptic number.

It is an amenable number.

563408281 is a deficient number, since it is larger than the sum of its proper divisors (1).

563408281 is an equidigital number, since it uses as much as digits as its factorization.

563408281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 563408281 is about 23736.2229724950. Note that the first 3 decimals coincide. The cubic root of 563408281 is about 825.9258811132.

The spelling of 563408281 in words is "five hundred sixty-three million, four hundred eight thousand, two hundred eighty-one".