6566701 has 2 divisors, whose sum is σ = 6566702. Its totient is φ = 6566700.

The previous prime is 6566663. The next prime is 6566713. The reversal of 6566701 is 1076656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4405801 + 2160900 = 2099^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 6566701 - 2¹⁷ = 6435629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6566741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283350 + 3283351.

It is an arithmetic number, because the mean of its divisors is an integer number (3283351).

Almost surely, 2^6566701 is an apocalyptic number.

It is an amenable number.

6566701 is a deficient number, since it is larger than the sum of its proper divisors (1).

6566701 is an equidigital number, since it uses as much as digits as its factorization.

6566701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 6566701 is about 2562.5575115497. The cubic root of 6566701 is about 187.2617513212.

It can be divided in two parts, 65 and 66701, that added together give a palindrome (66766).

The spelling of 6566701 in words is "six million, five hundred sixty-six thousand, seven hundred one".