6489311 has 2 divisors, whose sum is σ = 6489312. Its totient is φ = 6489310.

The previous prime is 6489299. The next prime is 6489313. The reversal of 6489311 is 1139846.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6489311 - 2¹⁴ = 6472927 is a prime.

It is a super-2 number, since 2×6489311² = 84222314509442, which contains 22 as substring.

Together with 6489313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6489313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244655 + 3244656.

It is an arithmetic number, because the mean of its divisors is an integer number (3244656).

Almost surely, 2^6489311 is an apocalyptic number.

6489311 is a deficient number, since it is larger than the sum of its proper divisors (1).

6489311 is an equidigital number, since it uses as much as digits as its factorization.

6489311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 6489311 is about 2547.4126089034. The cubic root of 6489311 is about 186.5232021964.

The spelling of 6489311 in words is "six million, four hundred eighty-nine thousand, three hundred eleven".