6506965 has 4 divisors (see below), whose sum is σ = 7808364. Its totient is φ = 5205568.

The previous prime is 6506963. The next prime is 6507023. The reversal of 6506965 is 5696056.

It is a happy number.

6506965 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3359889 + 3147076 = 1833^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 6506965 - 2¹ = 6506963 is a prime.

It is a super-2 number, since 2×6506965² = 84681187022450, which contains 22 as substring.

It is a Duffinian number.

6506965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650692 + ... + 650701.

It is an arithmetic number, because the mean of its divisors is an integer number (1952091).

Almost surely, 2^6506965 is an apocalyptic number.

It is an amenable number.

6506965 is a deficient number, since it is larger than the sum of its proper divisors (1301399).

6506965 is a wasteful number, since it uses less digits than its factorization.

6506965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301398.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 6506965 is about 2550.8753399569. The cubic root of 6506965 is about 186.6921928669.

The spelling of 6506965 in words is "six million, five hundred six thousand, nine hundred sixty-five".