6506065 has 8 divisors (see below), whose sum is σ = 7835688. Its totient is φ = 5185920.

The previous prime is 6506057. The next prime is 6506089. The reversal of 6506065 is 5606056.

It can be written as a sum of positive squares in 4 ways, for example, as 1718721 + 4787344 = 1311^2 + 2188^2 .

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

It is not a de Polignac number, because 6506065 - 2³ = 6506057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756 + ... + 3685.

It is an arithmetic number, because the mean of its divisors is an integer number (979461).

Almost surely, 2^6506065 is an apocalyptic number.

It is an amenable number.

6506065 is a deficient number, since it is larger than the sum of its proper divisors (1329623).

6506065 is a wasteful number, since it uses less digits than its factorization.

6506065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 6506065 is about 2550.6989238246. The cubic root of 6506065 is about 186.6835851304.

Subtracting from 6506065 its reverse (5606056), we obtain a palindrome (900009).

The spelling of 6506065 in words is "six million, five hundred six thousand, sixty-five".