6591097 has 4 divisors (see below), whose sum is σ = 6681460. Its totient is φ = 6500736.

The previous prime is 6591089. The next prime is 6591163. The reversal of 6591097 is 7901956.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5517801 + 1073296 = 2349^2 + 1036^2 .

It is a cyclic number.

It is not a de Polignac number, because 6591097 - 2³ = 6591089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6591077) 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 in 3 ways as a sum of consecutive naturals, for example, 45072 + ... + 45217.

It is an arithmetic number, because the mean of its divisors is an integer number (1670365).

Almost surely, 2^6591097 is an apocalyptic number.

It is an amenable number.

6591097 is a deficient number, since it is larger than the sum of its proper divisors (90363).

6591097 is an equidigital number, since it uses as much as digits as its factorization.

6591097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90362.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 6591097 is about 2567.3131869719. The cubic root of 6591097 is about 187.4933639133.

The spelling of 6591097 in words is "six million, five hundred ninety-one thousand, ninety-seven".