2004641 has 2 divisors, whose sum is σ = 2004642. Its totient is φ = 2004640.

The previous prime is 2004631. The next prime is 2004647. The reversal of 2004641 is 1464002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 555025 = 1204^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004641 - 2⁶ = 2004577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2004647) 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 as a sum of consecutive naturals, namely, 1002320 + 1002321.

It is an arithmetic number, because the mean of its divisors is an integer number (1002321).

2^2004641 is an apocalyptic number.

It is an amenable number.

2004641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004641 is an equidigital number, since it uses as much as digits as its factorization.

2004641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2004641 is about 1415.8534528686. The cubic root of 2004641 is about 126.0894845984.

Adding to 2004641 its reverse (1464002), we get a palindrome (3468643).

The spelling of 2004641 in words is "two million, four thousand, six hundred forty-one".