6580961 has 2 divisors, whose sum is σ = 6580962. Its totient is φ = 6580960.

The previous prime is 6580943. The next prime is 6580991. The reversal of 6580961 is 1690856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5550736 + 1030225 = 2356^2 + 1015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6580961 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6580901) 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, 3290480 + 3290481.

It is an arithmetic number, because the mean of its divisors is an integer number (3290481).

Almost surely, 2^6580961 is an apocalyptic number.

It is an amenable number.

6580961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6580961 is an equidigital number, since it uses as much as digits as its factorization.

6580961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 6580961 is about 2565.3383792397. The cubic root of 6580961 is about 187.3972035042.

The spelling of 6580961 in words is "six million, five hundred eighty thousand, nine hundred sixty-one".