2104265 has 4 divisors (see below), whose sum is σ = 2525124. Its totient is φ = 1683408.

The previous prime is 2104261. The next prime is 2104273. The reversal of 2104265 is 5624012.

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 1263376 + 840889 = 1124^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104265 - 2² = 2104261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104261) 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, 210422 + ... + 210431.

It is an arithmetic number, because the mean of its divisors is an integer number (631281).

2^2104265 is an apocalyptic number.

It is an amenable number.

2104265 is a deficient number, since it is larger than the sum of its proper divisors (420859).

2104265 is an equidigital number, since it uses as much as digits as its factorization.

2104265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420858.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2104265 is about 1450.6084930125. The cubic root of 2104265 is about 128.1445510518.

Adding to 2104265 its reverse (5624012), we get a palindrome (7728277).

The spelling of 2104265 in words is "two million, one hundred four thousand, two hundred sixty-five".