6485257 has 8 divisors (see below), whose sum is σ = 6676992. Its totient is φ = 6295200.

The previous prime is 6485243. The next prime is 6485261. The reversal of 6485257 is 7525846.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6485257 - 2¹¹ = 6483209 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 4¹¹ + 8⁵ + 5³ + 2¹³ + 5⁹ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485207) 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 7 ways as a sum of consecutive naturals, for example, 14832 + ... + 15262.

It is an arithmetic number, because the mean of its divisors is an integer number (834624).

Almost surely, 2^6485257 is an apocalyptic number.

It is an amenable number.

6485257 is a deficient number, since it is larger than the sum of its proper divisors (191735).

6485257 is a wasteful number, since it uses less digits than its factorization.

6485257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 67200, while the sum is 37.

The square root of 6485257 is about 2546.6167752530. The cubic root of 6485257 is about 186.4843525363.

The spelling of 6485257 in words is "six million, four hundred eighty-five thousand, two hundred fifty-seven".