2042441 has 4 divisors (see below), whose sum is σ = 2112900. Its totient is φ = 1971984.

The previous prime is 2042429. The next prime is 2042449. The reversal of 2042441 is 1442402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1042441 + 1000000 = 1021^2 + 1000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042449) 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, 35186 + ... + 35243.

It is an arithmetic number, because the mean of its divisors is an integer number (528225).

2^2042441 is an apocalyptic number.

It is an amenable number.

2042441 is a deficient number, since it is larger than the sum of its proper divisors (70459).

2042441 is an equidigital number, since it uses as much as digits as its factorization.

2042441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70458.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2042441 is about 1429.1399511594. The cubic root of 2042441 is about 126.8770794874.

Adding to 2042441 its reverse (1442402), we get a palindrome (3484843).

The spelling of 2042441 in words is "two million, forty-two thousand, four hundred forty-one".