4518065 has 4 divisors (see below), whose sum is σ = 5421684. Its totient is φ = 3614448.

The previous prime is 4518061. The next prime is 4518083. The reversal of 4518065 is 5608154.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 1682209 = 1684^2 + 1297^2 .

It is a cyclic number.

It is not a de Polignac number, because 4518065 - 2² = 4518061 is a prime.

It is a super-2 number, since 2×4518065² = 40825822688450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4518061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451802 + ... + 451811.

It is an arithmetic number, because the mean of its divisors is an integer number (1355421).

Almost surely, 2^4518065 is an apocalyptic number.

It is an amenable number.

4518065 is a deficient number, since it is larger than the sum of its proper divisors (903619).

4518065 is an equidigital number, since it uses as much as digits as its factorization.

4518065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903618.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 4518065 is about 2125.5740401125. The cubic root of 4518065 is about 165.3169908657.

The spelling of 4518065 in words is "four million, five hundred eighteen thousand, sixty-five".