65065 has 24 divisors (see below), whose sum is σ = 105408. Its totient is φ = 37440.

The previous prime is 65063. The next prime is 65071. The reversal of 65065 is 56056.

It is not a de Polignac number, because 65065 - 2¹ = 65063 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4999 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (4392).

2⁶⁵⁰⁶⁵ is an apocalyptic number.

65065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65065 is a deficient number, since it is larger than the sum of its proper divisors (40343).

65065 is a wasteful number, since it uses less digits than its factorization.

65065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 36 counting only the distinct ones).

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

The square root of 65065 is about 255.0784193145. The cubic root of 65065 is about 40.2206555401.

Adding to 65065 its reverse (56056), we get a palindrome (121121).

Subtracting from 65065 its reverse (56056), we obtain a palindrome (9009).

The spelling of 65065 in words is "sixty-five thousand, sixty-five".