2041161 has 4 divisors (see below), whose sum is σ = 2721552. Its totient is φ = 1360772.

The previous prime is 2041159. The next prime is 2041177. The reversal of 2041161 is 1611402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2041161 - 2¹ = 2041159 is a prime.

It is a D-number.

2041161 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2041161.

It is not an unprimeable number, because it can be changed into a prime (2041561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340191 + ... + 340196.

It is an arithmetic number, because the mean of its divisors is an integer number (680388).

2^2041161 is an apocalyptic number.

It is an amenable number.

2041161 is a deficient number, since it is larger than the sum of its proper divisors (680391).

2041161 is an equidigital number, since it uses as much as digits as its factorization.

2041161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680390.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2041161 is about 1428.6920591926. The cubic root of 2041161 is about 126.8505692806.

Adding to 2041161 its reverse (1611402), we get a palindrome (3652563).

The spelling of 2041161 in words is "two million, forty-one thousand, one hundred sixty-one".