566387 has 2 divisors, whose sum is σ = 566388. Its totient is φ = 566386.

The previous prime is 566347. The next prime is 566393. The reversal of 566387 is 783665.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 566387 - 2⁶ = 566323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (566347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283193 + 283194.

It is an arithmetic number, because the mean of its divisors is an integer number (283194).

2⁵⁶⁶³⁸⁷ is an apocalyptic number.

566387 is a deficient number, since it is larger than the sum of its proper divisors (1).

566387 is an equidigital number, since it uses as much as digits as its factorization.

566387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 566387 is about 752.5868720620. The cubic root of 566387 is about 82.7378870134.

The spelling of 566387 in words is "five hundred sixty-six thousand, three hundred eighty-seven".