2043361 has 4 divisors (see below), whose sum is σ = 2047792. Its totient is φ = 2038932.

The previous prime is 2043341. The next prime is 2043397. The reversal of 2043361 is 1633402.

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 2043361 - 2⁵ = 2043329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043341) 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, 1431 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (511948).

2^2043361 is an apocalyptic number.

It is an amenable number.

2043361 is a deficient number, since it is larger than the sum of its proper divisors (4431).

2043361 is an equidigital number, since it uses as much as digits as its factorization.

2043361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2043361 is about 1429.4617868275. The cubic root of 2043361 is about 126.8961268579.

Adding to 2043361 its reverse (1633402), we get a palindrome (3676763).

The spelling of 2043361 in words is "two million, forty-three thousand, three hundred sixty-one".