2004642541 has 4 divisors (see below), whose sum is σ = 2186882784. Its totient is φ = 1822402300.

The previous prime is 2004642529. The next prime is 2004642553. The reversal of 2004642541 is 1452464002.

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 an interprime number because it is at equal distance from previous prime (2004642529) and next prime (2004642553).

It is a cyclic number.

It is not a de Polignac number, because 2004642541 - 2⁵ = 2004642509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004642511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91120105 + ... + 91120126.

It is an arithmetic number, because the mean of its divisors is an integer number (546720696).

Almost surely, 2^2004642541 is an apocalyptic number.

It is an amenable number.

2004642541 is a deficient number, since it is larger than the sum of its proper divisors (182240243).

2004642541 is a wasteful number, since it uses less digits than its factorization.

2004642541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182240242.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2004642541 is about 44773.2346497324. The cubic root of 2004642541 is about 1260.8951690737.

The spelling of 2004642541 in words is "two billion, four million, six hundred forty-two thousand, five hundred forty-one".