2041205 has 4 divisors (see below), whose sum is σ = 2449452. Its totient is φ = 1632960.

The previous prime is 2041201. The next prime is 2041231. The reversal of 2041205 is 5021402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5021402 = 2 ⋅2510701.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 1697809 = 586^2 + 1303^2 .

It is not a de Polignac number, because 2041205 - 2² = 2041201 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2041205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041201) 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, 204116 + ... + 204125.

It is an arithmetic number, because the mean of its divisors is an integer number (612363).

2^2041205 is an apocalyptic number.

It is an amenable number.

2041205 is a deficient number, since it is larger than the sum of its proper divisors (408247).

2041205 is an equidigital number, since it uses as much as digits as its factorization.

2041205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408246.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2041205 is about 1428.7074578093. The cubic root of 2041205 is about 126.8514807529.

Adding to 2041205 its reverse (5021402), we get a palindrome (7062607).

The spelling of 2041205 in words is "two million, forty-one thousand, two hundred five".