563166239 has 2 divisors, whose sum is σ = 563166240. Its totient is φ = 563166238.

The previous prime is 563166229. The next prime is 563166257. The reversal of 563166239 is 932661365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563166239 - 2¹² = 563162143 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 563166196 and 563166205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563166209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281583119 + 281583120.

It is an arithmetic number, because the mean of its divisors is an integer number (281583120).

Almost surely, 2^563166239 is an apocalyptic number.

563166239 is a deficient number, since it is larger than the sum of its proper divisors (1).

563166239 is an equidigital number, since it uses as much as digits as its factorization.

563166239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 41.

The square root of 563166239 is about 23731.1238461224. The cubic root of 563166239 is about 825.8075907054.

The spelling of 563166239 in words is "five hundred sixty-three million, one hundred sixty-six thousand, two hundred thirty-nine".