6497231 has 4 divisors (see below), whose sum is σ = 6997032. Its totient is φ = 5997432.

The previous prime is 6497209. The next prime is 6497243. The reversal of 6497231 is 1327946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1327946 = 2 ⋅663973.

It is a cyclic number.

It is not a de Polignac number, because 6497231 - 2⁶ = 6497167 is a prime.

It is a super-2 number, since 2×6497231² = 84428021334722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497261) 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, 249881 + ... + 249906.

It is an arithmetic number, because the mean of its divisors is an integer number (1749258).

Almost surely, 2^6497231 is an apocalyptic number.

6497231 is a deficient number, since it is larger than the sum of its proper divisors (499801).

6497231 is a wasteful number, since it uses less digits than its factorization.

6497231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499800.

The product of its digits is 9072, while the sum is 32.

The square root of 6497231 is about 2548.9666533715. The cubic root of 6497231 is about 186.5990532476.

The spelling of 6497231 in words is "six million, four hundred ninety-seven thousand, two hundred thirty-one".