2041321 has 4 divisors (see below), whose sum is σ = 2070144. Its totient is φ = 2012500.

The previous prime is 2041307. The next prime is 2041363. The reversal of 2041321 is 1231402.

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 2041321 - 2¹⁵ = 2008553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041421) 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, 14305 + ... + 14446.

It is an arithmetic number, because the mean of its divisors is an integer number (517536).

2^2041321 is an apocalyptic number.

It is an amenable number.

2041321 is a deficient number, since it is larger than the sum of its proper divisors (28823).

2041321 is an equidigital number, since it uses as much as digits as its factorization.

2041321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28822.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2041321 is about 1428.7480533670. The cubic root of 2041321 is about 126.8538836625.

Adding to 2041321 its reverse (1231402), we get a palindrome (3272723).

The spelling of 2041321 in words is "two million, forty-one thousand, three hundred twenty-one".