566753321 has 2 divisors, whose sum is σ = 566753322. Its totient is φ = 566753320.

The previous prime is 566753273. The next prime is 566753339. The reversal of 566753321 is 123357665.

566753321 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 can be written as a sum of positive squares in only one way, i.e., 545923225 + 20830096 = 23365^2 + 4564^2 .

It is a cyclic number.

It is not a de Polignac number, because 566753321 - 2¹⁰ = 566752297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (566753381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283376660 + 283376661.

It is an arithmetic number, because the mean of its divisors is an integer number (283376661).

Almost surely, 2^566753321 is an apocalyptic number.

It is an amenable number.

566753321 is a deficient number, since it is larger than the sum of its proper divisors (1).

566753321 is an equidigital number, since it uses as much as digits as its factorization.

566753321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 566753321 is about 23806.5814639566. The cubic root of 566753321 is about 827.5572057579.

The spelling of 566753321 in words is "five hundred sixty-six million, seven hundred fifty-three thousand, three hundred twenty-one".