565340213 has 2 divisors, whose sum is σ = 565340214. Its totient is φ = 565340212.

The previous prime is 565340203. The next prime is 565340233. The reversal of 565340213 is 312043565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326235844 + 239104369 = 18062^2 + 15463^2 .

It is a cyclic number.

It is not a de Polignac number, because 565340213 - 2⁴ = 565340197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565340203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282670106 + 282670107.

It is an arithmetic number, because the mean of its divisors is an integer number (282670107).

Almost surely, 2^565340213 is an apocalyptic number.

It is an amenable number.

565340213 is a deficient number, since it is larger than the sum of its proper divisors (1).

565340213 is an equidigital number, since it uses as much as digits as its factorization.

565340213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 565340213 is about 23776.8840052686. The cubic root of 565340213 is about 826.8688398560.

Adding to 565340213 its reverse (312043565), we get a palindrome (877383778).

The spelling of 565340213 in words is "five hundred sixty-five million, three hundred forty thousand, two hundred thirteen".