566987 has 2 divisors, whose sum is σ = 566988. Its totient is φ = 566986.

The previous prime is 566977. The next prime is 566999. The reversal of 566987 is 789665.

It is a happy number.

566987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 566987 - 2⁴ = 566971 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5³ + 6² + 9⁶ + 6³ + 8⁵ + 7⁴ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 566987.

It is not a weakly prime, because it can be changed into another prime (566947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283493 + 283494.

It is an arithmetic number, because the mean of its divisors is an integer number (283494).

2⁵⁶⁶⁹⁸⁷ is an apocalyptic number.

566987 is a deficient number, since it is larger than the sum of its proper divisors (1).

566987 is an equidigital number, since it uses as much as digits as its factorization.

566987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 566987 is about 752.9853916246. The cubic root of 566987 is about 82.7670927290.

The spelling of 566987 in words is "five hundred sixty-six thousand, nine hundred eighty-seven".