6497371 has 4 divisors (see below), whose sum is σ = 6511752. Its totient is φ = 6482992.

The previous prime is 6497369. The next prime is 6497377. The reversal of 6497371 is 1737946.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6497371 - 2¹ = 6497369 is a prime.

It is a Duffinian number.

6497371 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6497371.

It is not an unprimeable number, because it can be changed into a prime (6497377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6490 + ... + 7423.

It is an arithmetic number, because the mean of its divisors is an integer number (1627938).

Almost surely, 2^6497371 is an apocalyptic number.

6497371 is a deficient number, since it is larger than the sum of its proper divisors (14381).

6497371 is a wasteful number, since it uses less digits than its factorization.

6497371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14380.

The product of its digits is 31752, while the sum is 37.

The square root of 6497371 is about 2548.9941153326. The cubic root of 6497371 is about 186.6003934945.

The spelling of 6497371 in words is "six million, four hundred ninety-seven thousand, three hundred seventy-one".