563641633 has 2 divisors, whose sum is σ = 563641634. Its totient is φ = 563641632.

The previous prime is 563641619. The next prime is 563641649. The reversal of 563641633 is 336146365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 268042384 = 17193^2 + 16372^2 .

It is a cyclic number.

It is not a de Polignac number, because 563641633 - 2⁵ = 563641601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563641592 and 563641601.

It is not a weakly prime, because it can be changed into another prime (563641693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281820816 + 281820817.

It is an arithmetic number, because the mean of its divisors is an integer number (281820817).

Almost surely, 2^563641633 is an apocalyptic number.

It is an amenable number.

563641633 is a deficient number, since it is larger than the sum of its proper divisors (1).

563641633 is an equidigital number, since it uses as much as digits as its factorization.

563641633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The square root of 563641633 is about 23741.1379887317. The cubic root of 563641633 is about 826.0398924856.

Adding to 563641633 its reverse (336146365), we get a palindrome (899787998).

The spelling of 563641633 in words is "five hundred sixty-three million, six hundred forty-one thousand, six hundred thirty-three".