6495 has 8 divisors (see below), whose sum is σ = 10416. Its totient is φ = 3456.

The previous prime is 6491. The next prime is 6521. The reversal of 6495 is 5946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6495 - 2² = 6491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202 + ... + 231.

It is an arithmetic number, because the mean of its divisors is an integer number (1302).

6495 is a deficient number, since it is larger than the sum of its proper divisors (3921).

6495 is a wasteful number, since it uses less digits than its factorization.

6495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 1080, while the sum is 24.

The square root of 6495 is about 80.5915628338. The cubic root of 6495 is about 18.6577692859.

The spelling of 6495 in words is "six thousand, four hundred ninety-five".