2004613 has 8 divisors (see below), whose sum is σ = 2212056. Its totient is φ = 1804800.

The previous prime is 2004601. The next prime is 2004631. The reversal of 2004613 is 3164002.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 1979649 = 158^2 + 1407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2004613 - 2¹⁷ = 1873541 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 (2004313) 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 7 ways as a sum of consecutive naturals, for example, 1348 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (276507).

2^2004613 is an apocalyptic number.

It is an amenable number.

2004613 is a deficient number, since it is larger than the sum of its proper divisors (207443).

2004613 is a wasteful number, since it uses less digits than its factorization.

2004613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2004613 is about 1415.8435648051. The cubic root of 2004613 is about 126.0888975403.

Adding to 2004613 its reverse (3164002), we get a palindrome (5168615).

The spelling of 2004613 in words is "two million, four thousand, six hundred thirteen".