6497605 has 8 divisors (see below), whose sum is σ = 7811064. Its totient is φ = 5188800.

The previous prime is 6497591. The next prime is 6497683. The reversal of 6497605 is 5067946.

It can be written as a sum of positive squares in 4 ways, for example, as 804609 + 5692996 = 897^2 + 2386^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-6497605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (976383).

Almost surely, 2^6497605 is an apocalyptic number.

It is an amenable number.

6497605 is a deficient number, since it is larger than the sum of its proper divisors (1313459).

6497605 is a wasteful number, since it uses less digits than its factorization.

6497605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 6497605 is about 2549.0400153783. The cubic root of 6497605 is about 186.6026335783.

The spelling of 6497605 in words is "six million, four hundred ninety-seven thousand, six hundred five".