563971 has 2 divisors, whose sum is σ = 563972. Its totient is φ = 563970.

The previous prime is 563947. The next prime is 563987. The reversal of 563971 is 179365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563971 - 2¹¹ = 561923 is a prime.

It is not a weakly prime, because it can be changed into another prime (566971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281985 + 281986.

It is an arithmetic number, because the mean of its divisors is an integer number (281986).

2⁵⁶³⁹⁷¹ is an apocalyptic number.

563971 is a deficient number, since it is larger than the sum of its proper divisors (1).

563971 is an equidigital number, since it uses as much as digits as its factorization.

563971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 31.

The square root of 563971 is about 750.9800263655. The cubic root of 563971 is about 82.6200761430.

The spelling of 563971 in words is "five hundred sixty-three thousand, nine hundred seventy-one".