6497911 has 4 divisors (see below), whose sum is σ = 7426192. Its totient is φ = 5569632.

The previous prime is 6497899. The next prime is 6497917. The reversal of 6497911 is 1197946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1197946 = 2 ⋅598973.

It is a cyclic number.

It is not a de Polignac number, because 6497911 - 2⁹ = 6497399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497917) 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 3 ways as a sum of consecutive naturals, for example, 464130 + ... + 464143.

It is an arithmetic number, because the mean of its divisors is an integer number (1856548).

Almost surely, 2^6497911 is an apocalyptic number.

6497911 is a deficient number, since it is larger than the sum of its proper divisors (928281).

6497911 is an equidigital number, since it uses as much as digits as its factorization.

6497911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928280.

The product of its digits is 13608, while the sum is 37.

The square root of 6497911 is about 2549.1000372681. The cubic root of 6497911 is about 186.6055628376.

The spelling of 6497911 in words is "six million, four hundred ninety-seven thousand, nine hundred eleven".