6497285 has 4 divisors (see below), whose sum is σ = 7796748. Its totient is φ = 5197824.

The previous prime is 6497269. The next prime is 6497291. The reversal of 6497285 is 5827946.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 4937284 = 1249^2 + 2222^2 .

It is a cyclic number.

It is not a de Polignac number, because 6497285 - 2⁴ = 6497269 is a prime.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 649724 + ... + 649733.

It is an arithmetic number, because the mean of its divisors is an integer number (1949187).

Almost surely, 2^6497285 is an apocalyptic number.

It is an amenable number.

6497285 is a deficient number, since it is larger than the sum of its proper divisors (1299463).

6497285 is a wasteful number, since it uses less digits than its factorization.

6497285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299462.

The product of its digits is 120960, while the sum is 41.

The square root of 6497285 is about 2548.9772458773. The cubic root of 6497285 is about 186.5995702023.

The spelling of 6497285 in words is "six million, four hundred ninety-seven thousand, two hundred eighty-five".