6480819 has 6 divisors (see below), whose sum is σ = 9361196. Its totient is φ = 4320540.

The previous prime is 6480811. The next prime is 6480827. The reversal of 6480819 is 9180846.

It is a happy number.

6480819 is a `hidden beast` number, since 648 + 0 + 8 + 1 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (6480811) and next prime (6480827).

It is not a de Polignac number, because 6480819 - 2³ = 6480811 is a prime.

It is a super-2 number, since 2×6480819² = 84002029821522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6480811) by changing a digit.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360037 + ... + 360054.

Almost surely, 2^6480819 is an apocalyptic number.

6480819 is a deficient number, since it is larger than the sum of its proper divisors (2880377).

6480819 is a wasteful number, since it uses less digits than its factorization.

6480819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720097 (or 720094 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 6480819 is about 2545.7452739817. The cubic root of 6480819 is about 186.4418044196.

The spelling of 6480819 in words is "six million, four hundred eighty thousand, eight hundred nineteen".