2001441 has 32 divisors (see below), whose sum is σ = 3149440. Its totient is φ = 1119744.

The previous prime is 2001421. The next prime is 2001449. The reversal of 2001441 is 1441002.

It is not a de Polignac number, because 2001441 - 2⁵ = 2001409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27381 + ... + 27453.

It is an arithmetic number, because the mean of its divisors is an integer number (98420).

2^2001441 is an apocalyptic number.

It is an amenable number.

2001441 is a deficient number, since it is larger than the sum of its proper divisors (1147999).

2001441 is a wasteful number, since it uses less digits than its factorization.

2001441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2001441 is about 1414.7229410736. The cubic root of 2001441 is about 126.0223568290.

Adding to 2001441 its reverse (1441002), we get a palindrome (3442443).

It can be divided in two parts, 2001 and 441, that added together give a palindrome (2442).

The spelling of 2001441 in words is "two million, one thousand, four hundred forty-one".