564317287 has 2 divisors, whose sum is σ = 564317288. Its totient is φ = 564317286.

The previous prime is 564317279. The next prime is 564317311. The reversal of 564317287 is 782713465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564317287 - 2³ = 564317279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564317207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282158643 + 282158644.

It is an arithmetic number, because the mean of its divisors is an integer number (282158644).

Almost surely, 2^564317287 is an apocalyptic number.

564317287 is a deficient number, since it is larger than the sum of its proper divisors (1).

564317287 is an equidigital number, since it uses as much as digits as its factorization.

564317287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 564317287 is about 23755.3633312564. The cubic root of 564317287 is about 826.3698268875.

The spelling of 564317287 in words is "five hundred sixty-four million, three hundred seventeen thousand, two hundred eighty-seven".