2004913 has 4 divisors (see below), whose sum is σ = 2009920. Its totient is φ = 1999908.

The previous prime is 2004911. The next prime is 2004917. The reversal of 2004913 is 3194002.

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 2004913 - 2¹ = 2004911 is a prime.

It is a super-2 number, since 2×2004913² = 8039352275138, which contains 22 as substring.

It is a Duffinian number.

2004913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2004911) 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, 1845 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (502480).

2^2004913 is an apocalyptic number.

It is an amenable number.

2004913 is a deficient number, since it is larger than the sum of its proper divisors (5007).

2004913 is an equidigital number, since it uses as much as digits as its factorization.

2004913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2004913 is about 1415.9495047494. The cubic root of 2004913 is about 126.0951871637.

Adding to 2004913 its reverse (3194002), we get a palindrome (5198915).

The spelling of 2004913 in words is "two million, four thousand, nine hundred thirteen".