6544965 has 32 divisors (see below), whose sum is σ = 12128256. Its totient is φ = 2952000.

The previous prime is 6544943. The next prime is 6545003. The reversal of 6544965 is 5694456.

It is not a de Polignac number, because 6544965 - 2⁹ = 6544453 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8340 + ... + 9090.

It is an arithmetic number, because the mean of its divisors is an integer number (379008).

Almost surely, 2^6544965 is an apocalyptic number.

It is an amenable number.

6544965 is a deficient number, since it is larger than the sum of its proper divisors (5583291).

6544965 is a wasteful number, since it uses less digits than its factorization.

6544965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its digits is 129600, while the sum is 39.

The square root of 6544965 is about 2558.3129206569. The cubic root of 6544965 is about 187.0549087138.

The spelling of 6544965 in words is "six million, five hundred forty-four thousand, nine hundred sixty-five".