659563 has 2 divisors, whose sum is σ = 659564. Its totient is φ = 659562.

The previous prime is 659539. The next prime is 659569. The reversal of 659563 is 365956.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 659563 - 2⁵ = 659531 is a prime.

It is not a weakly prime, because it can be changed into another prime (659569) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329781 + 329782.

It is an arithmetic number, because the mean of its divisors is an integer number (329782).

2⁶⁵⁹⁵⁶³ is an apocalyptic number.

659563 is a deficient number, since it is larger than the sum of its proper divisors (1).

659563 is an equidigital number, since it uses as much as digits as its factorization.

659563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 34.

The square root of 659563 is about 812.1348410209. The cubic root of 659563 is about 87.0466566144.

The spelling of 659563 in words is "six hundred fifty-nine thousand, five hundred sixty-three".