563166673 has 2 divisors, whose sum is σ = 563166674. Its totient is φ = 563166672.

The previous prime is 563166649. The next prime is 563166679. The reversal of 563166673 is 376661365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434639104 + 128527569 = 20848^2 + 11337^2 .

It is a cyclic number.

It is not a de Polignac number, because 563166673 - 2⁹ = 563166161 is a prime.

It is not a weakly prime, because it can be changed into another prime (563166679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281583336 + 281583337.

It is an arithmetic number, because the mean of its divisors is an integer number (281583337).

Almost surely, 2^563166673 is an apocalyptic number.

It is an amenable number.

563166673 is a deficient number, since it is larger than the sum of its proper divisors (1).

563166673 is an equidigital number, since it uses as much as digits as its factorization.

563166673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 43.

The square root of 563166673 is about 23731.1329902304. The cubic root of 563166673 is about 825.8078028395.

The spelling of 563166673 in words is "five hundred sixty-three million, one hundred sixty-six thousand, six hundred seventy-three".