566961229 has 4 divisors (see below), whose sum is σ = 567012060. Its totient is φ = 566910400.

The previous prime is 566961181. The next prime is 566961233. The reversal of 566961229 is 922169665.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 279658729 + 287302500 = 16723^2 + 16950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566961229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566961259) 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 in 3 ways as a sum of consecutive naturals, for example, 622 + ... + 33679.

It is an arithmetic number, because the mean of its divisors is an integer number (141753015).

Almost surely, 2^566961229 is an apocalyptic number.

It is an amenable number.

566961229 is a deficient number, since it is larger than the sum of its proper divisors (50831).

566961229 is a wasteful number, since it uses less digits than its factorization.

566961229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50830.

The product of its digits is 349920, while the sum is 46.

The square root of 566961229 is about 23810.9476711869. The cubic root of 566961229 is about 827.6583871846.

The spelling of 566961229 in words is "five hundred sixty-six million, nine hundred sixty-one thousand, two hundred twenty-nine".