6495657 has 8 divisors (see below), whose sum is σ = 9898176. Its totient is φ = 3711792.

The previous prime is 6495653. The next prime is 6495659. The reversal of 6495657 is 7565946.

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

It is not a de Polignac number, because 6495657 - 2² = 6495653 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6495653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154638 + ... + 154679.

It is an arithmetic number, because the mean of its divisors is an integer number (1237272).

Almost surely, 2^6495657 is an apocalyptic number.

It is an amenable number.

6495657 is a deficient number, since it is larger than the sum of its proper divisors (3402519).

6495657 is a wasteful number, since it uses less digits than its factorization.

6495657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309327.

The product of its digits is 226800, while the sum is 42.

The square root of 6495657 is about 2548.6578821019. The cubic root of 6495657 is about 186.5839837188.

The spelling of 6495657 in words is "six million, four hundred ninety-five thousand, six hundred fifty-seven".