566250813 has 12 divisors (see below), whose sum is σ = 821431260. Its totient is φ = 375878976.

The previous prime is 566250799. The next prime is 566250827. The reversal of 566250813 is 318052665.

It is an interprime number because it is at equal distance from previous prime (566250799) and next prime (566250827).

It can be written as a sum of positive squares in 2 ways, for example, as 223741764 + 342509049 = 14958^2 + 18507^2 .

It is not a de Polignac number, because 566250813 - 2⁹ = 566250301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566200813) 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 11 ways as a sum of consecutive naturals, for example, 132918 + ... + 137111.

It is an arithmetic number, because the mean of its divisors is an integer number (68452605).

Almost surely, 2^566250813 is an apocalyptic number.

It is an amenable number.

566250813 is a deficient number, since it is larger than the sum of its proper divisors (255180447).

566250813 is a wasteful number, since it uses less digits than its factorization.

566250813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270268 (or 270265 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 566250813 is about 23796.0251512726. The cubic root of 566250813 is about 827.3125507694.

The spelling of 566250813 in words is "five hundred sixty-six million, two hundred fifty thousand, eight hundred thirteen".