566961113 has 2 divisors, whose sum is σ = 566961114. Its totient is φ = 566961112.

The previous prime is 566961103. The next prime is 566961151. The reversal of 566961113 is 311169665.

It is a happy number.

566961113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (566961151) can be obtained adding 566961113 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540469504 + 26491609 = 23248^2 + 5147^2 .

It is a cyclic number.

It is not a de Polignac number, because 566961113 - 2⁸ = 566960857 is a prime.

It is a super-4 number, since 4×566961113⁴ (a number of 36 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (566961103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283480556 + 283480557.

It is an arithmetic number, because the mean of its divisors is an integer number (283480557).

Almost surely, 2^566961113 is an apocalyptic number.

It is an amenable number.

566961113 is a deficient number, since it is larger than the sum of its proper divisors (1).

566961113 is an equidigital number, since it uses as much as digits as its factorization.

566961113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 566961113 is about 23810.9452353324. The cubic root of 566961113 is about 827.6583307385.

The spelling of 566961113 in words is "five hundred sixty-six million, nine hundred sixty-one thousand, one hundred thirteen".