6505065 has 48 divisors (see below), whose sum is σ = 13074048. Its totient is φ = 2930688.

The previous prime is 6505063. The next prime is 6505069. The reversal of 6505065 is 5605056.

6505065 is a `hidden beast` number, since 650 + 5 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 6505065 - 2¹ = 6505063 is a prime.

6505065 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6505063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33609 + ... + 33801.

It is an arithmetic number, because the mean of its divisors is an integer number (272376).

Almost surely, 2^6505065 is an apocalyptic number.

It is an amenable number.

6505065 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

6505065 is a wasteful number, since it uses less digits than its factorization.

6505065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 6505065 is about 2550.5028915882. The cubic root of 6505065 is about 186.6740200476.

Subtracting from 6505065 its reverse (5605056), we obtain a palindrome (900009).

The spelling of 6505065 in words is "six million, five hundred five thousand, sixty-five".