6491717 has 4 divisors (see below), whose sum is σ = 6538560. Its totient is φ = 6444876.

The previous prime is 6491707. The next prime is 6491729. The reversal of 6491717 is 7171946.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6491717 - 2⁴ = 6491701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23213 + ... + 23490.

It is an arithmetic number, because the mean of its divisors is an integer number (1634640).

Almost surely, 2^6491717 is an apocalyptic number.

It is an amenable number.

6491717 is a deficient number, since it is larger than the sum of its proper divisors (46843).

6491717 is a wasteful number, since it uses less digits than its factorization.

6491717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46842.

The product of its digits is 10584, while the sum is 35.

The square root of 6491717 is about 2547.8848090132. The cubic root of 6491717 is about 186.5462513497.

The spelling of 6491717 in words is "six million, four hundred ninety-one thousand, seven hundred seventeen".