2041091 has 4 divisors (see below), whose sum is σ = 2198112. Its totient is φ = 1884072.

The previous prime is 2041079. The next prime is 2041097. The reversal of 2041091 is 1901402.

It is a happy number.

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 2041091 - 2⁶ = 2041027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041097) 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, 78491 + ... + 78516.

It is an arithmetic number, because the mean of its divisors is an integer number (549528).

2^2041091 is an apocalyptic number.

2041091 is a deficient number, since it is larger than the sum of its proper divisors (157021).

2041091 is a wasteful number, since it uses less digits than its factorization.

2041091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157020.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2041091 is about 1428.6675610512. The cubic root of 2041091 is about 126.8491191841.

Adding to 2041091 its reverse (1901402), we get a palindrome (3942493).

The spelling of 2041091 in words is "two million, forty-one thousand, ninety-one".