6500965 has 4 divisors (see below), whose sum is σ = 7801164. Its totient is φ = 5200768.

The previous prime is 6500951. The next prime is 6500969. The reversal of 6500965 is 5690056.

It is a happy number.

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 4524129 + 1976836 = 2127^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 6500965 - 2⁹ = 6500453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500969) 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 3 ways as a sum of consecutive naturals, for example, 650092 + ... + 650101.

It is an arithmetic number, because the mean of its divisors is an integer number (1950291).

Almost surely, 2^6500965 is an apocalyptic number.

It is an amenable number.

6500965 is a deficient number, since it is larger than the sum of its proper divisors (1300199).

6500965 is a wasteful number, since it uses less digits than its factorization.

6500965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300198.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 6500965 is about 2549.6990018432. The cubic root of 6500965 is about 186.6347929563.

The spelling of 6500965 in words is "six million, five hundred thousand, nine hundred sixty-five".