6500065 has 16 divisors (see below), whose sum is σ = 9164736. Its totient is φ = 4363200.

The previous prime is 6500063. The next prime is 6500077. The reversal of 6500065 is 5600056.

It is not a de Polignac number, because 6500065 - 2¹ = 6500063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6500063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (572796).

Almost surely, 2^6500065 is an apocalyptic number.

6500065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6500065 is a deficient number, since it is larger than the sum of its proper divisors (2664671).

6500065 is a wasteful number, since it uses less digits than its factorization.

6500065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 6500065 is about 2549.5225043133. The cubic root of 6500065 is about 186.6261799240.

Adding to 6500065 its reverse (5600056), we get a palindrome (12100121).

Subtracting from 6500065 its reverse (5600056), we obtain a palindrome (900009).

The spelling of 6500065 in words is "six million, five hundred thousand, sixty-five".