39563 has 2 divisors, whose sum is σ = 39564. Its totient is φ = 39562.

The previous prime is 39551. The next prime is 39569. The reversal of 39563 is 36593.

39563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39563 - 2⁶ = 39499 is a prime.

It is not a weakly prime, because it can be changed into another prime (39569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19781 + 19782.

It is an arithmetic number, because the mean of its divisors is an integer number (19782).

2³⁹⁵⁶³ is an apocalyptic number.

39563 is a deficient number, since it is larger than the sum of its proper divisors (1).

39563 is an equidigital number, since it uses as much as digits as its factorization.

39563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 26.

The square root of 39563 is about 198.9044996977. The cubic root of 39563 is about 34.0745193674.

The spelling of 39563 in words is "thirty-nine thousand, five hundred sixty-three".