6580997 has 2 divisors, whose sum is σ = 6580998. Its totient is φ = 6580996.

The previous prime is 6580991. The next prime is 6581009. The reversal of 6580997 is 7990856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6522916 + 58081 = 2554^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 6580997 - 2⁶ = 6580933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6580991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3290498 + 3290499.

It is an arithmetic number, because the mean of its divisors is an integer number (3290499).

Almost surely, 2^6580997 is an apocalyptic number.

It is an amenable number.

6580997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6580997 is an equidigital number, since it uses as much as digits as its factorization.

6580997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 6580997 is about 2565.3453958483. The cubic root of 6580997 is about 187.3975452115.

The spelling of 6580997 in words is "six million, five hundred eighty thousand, nine hundred ninety-seven".