4081165 has 8 divisors (see below), whose sum is σ = 5342688. Its totient is φ = 2968080.

The previous prime is 4081163. The next prime is 4081177. The reversal of 4081165 is 5611804.

4081165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4081165 - 2¹ = 4081163 is a prime.

It is a Duffinian number.

4081165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37047 + ... + 37156.

It is an arithmetic number, because the mean of its divisors is an integer number (667836).

Almost surely, 2^4081165 is an apocalyptic number.

It is an amenable number.

4081165 is a deficient number, since it is larger than the sum of its proper divisors (1261523).

4081165 is a wasteful number, since it uses less digits than its factorization.

4081165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74219.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4081165 is about 2020.1893475613. The cubic root of 4081165 is about 159.8066022649.

Adding to 4081165 its reverse (5611804), we get a palindrome (9692969).

The spelling of 4081165 in words is "four million, eighty-one thousand, one hundred sixty-five".