4065115 has 4 divisors (see below), whose sum is σ = 4878144. Its totient is φ = 3252088.

The previous prime is 4065097. The next prime is 4065119. The reversal of 4065115 is 5115604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4065115 - 2⁹ = 4064603 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. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4065119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406507 + ... + 406516.

It is an arithmetic number, because the mean of its divisors is an integer number (1219536).

Almost surely, 2^4065115 is an apocalyptic number.

4065115 is a deficient number, since it is larger than the sum of its proper divisors (813029).

4065115 is an equidigital number, since it uses as much as digits as its factorization.

4065115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813028.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 4065115 is about 2016.2130343791. The cubic root of 4065115 is about 159.5968365359.

The spelling of 4065115 in words is "four million, sixty-five thousand, one hundred fifteen".