6480869 has 2 divisors, whose sum is σ = 6480870. Its totient is φ = 6480868.

The previous prime is 6480827. The next prime is 6480907. The reversal of 6480869 is 9680846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 3844 = 2545^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480869 - 2⁸ = 6480613 is a prime.

It is a super-2 number, since 2×6480869² = 84003325990322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6480269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240434 + 3240435.

It is an arithmetic number, because the mean of its divisors is an integer number (3240435).

Almost surely, 2^6480869 is an apocalyptic number.

It is an amenable number.

6480869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480869 is an equidigital number, since it uses as much as digits as its factorization.

6480869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 6480869 is about 2545.7550942697. The cubic root of 6480869 is about 186.4422838892.

The spelling of 6480869 in words is "six million, four hundred eighty thousand, eight hundred sixty-nine".