563534857 has 2 divisors, whose sum is σ = 563534858. Its totient is φ = 563534856.

The previous prime is 563534843. The next prime is 563534861. The reversal of 563534857 is 758435365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425143161 + 138391696 = 20619^2 + 11764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563534857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (563534557) 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, 281767428 + 281767429.

It is an arithmetic number, because the mean of its divisors is an integer number (281767429).

Almost surely, 2^563534857 is an apocalyptic number.

It is an amenable number.

563534857 is a deficient number, since it is larger than the sum of its proper divisors (1).

563534857 is an equidigital number, since it uses as much as digits as its factorization.

563534857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 46.

The square root of 563534857 is about 23738.8891273370. The cubic root of 563534857 is about 825.9877276580.

The spelling of 563534857 in words is "five hundred sixty-three million, five hundred thirty-four thousand, eight hundred fifty-seven".