6488591 has 2 divisors, whose sum is σ = 6488592. Its totient is φ = 6488590.

The previous prime is 6488567. The next prime is 6488609. The reversal of 6488591 is 1958846.

6488591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6488591 - 2⁶ = 6488527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6488501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244295 + 3244296.

It is an arithmetic number, because the mean of its divisors is an integer number (3244296).

Almost surely, 2^6488591 is an apocalyptic number.

6488591 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488591 is an equidigital number, since it uses as much as digits as its factorization.

6488591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The square root of 6488591 is about 2547.2712851206. The cubic root of 6488591 is about 186.5163035866.

The spelling of 6488591 in words is "six million, four hundred eighty-eight thousand, five hundred ninety-one".