2104065 has 12 divisors (see below), whose sum is σ = 3647124. Its totient is φ = 1122144.

The previous prime is 2104061. The next prime is 2104087. The reversal of 2104065 is 5604012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1418481 + 685584 = 1191^2 + 828^2 .

It is not a de Polignac number, because 2104065 - 2² = 2104061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2104061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23334 + ... + 23423.

It is an arithmetic number, because the mean of its divisors is an integer number (303927).

2^2104065 is an apocalyptic number.

It is an amenable number.

2104065 is a deficient number, since it is larger than the sum of its proper divisors (1543059).

2104065 is a wasteful number, since it uses less digits than its factorization.

2104065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46768 (or 46765 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2104065 is about 1450.5395547864. The cubic root of 2104065 is about 128.1404910875.

Adding to 2104065 its reverse (5604012), we get a palindrome (7708077).

The spelling of 2104065 in words is "two million, one hundred four thousand, sixty-five".