2566064573 has 2 divisors, whose sum is σ = 2566064574. Its totient is φ = 2566064572.

The previous prime is 2566064519. The next prime is 2566064629. The reversal of 2566064573 is 3754606652.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2192299684 + 373764889 = 46822^2 + 19333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2566064573 - 2¹² = 2566060477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566064873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283032286 + 1283032287.

It is an arithmetic number, because the mean of its divisors is an integer number (1283032287).

Almost surely, 2^2566064573 is an apocalyptic number.

It is an amenable number.

2566064573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566064573 is an equidigital number, since it uses as much as digits as its factorization.

2566064573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 44.

The square root of 2566064573 is about 50656.3379351488. The cubic root of 2566064573 is about 1369.0601423151.

The spelling of 2566064573 in words is "two billion, five hundred sixty-six million, sixty-four thousand, five hundred seventy-three".