2004124513 has 4 divisors (see below), whose sum is σ = 2011575060. Its totient is φ = 1996673968.

The previous prime is 2004124477. The next prime is 2004124523. The reversal of 2004124513 is 3154214002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294053904 + 1710070609 = 17148^2 + 41353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004124513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004124523) 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, 3724870 + ... + 3725407.

It is an arithmetic number, because the mean of its divisors is an integer number (502893765).

Almost surely, 2^2004124513 is an apocalyptic number.

It is an amenable number.

2004124513 is a deficient number, since it is larger than the sum of its proper divisors (7450547).

2004124513 is an equidigital number, since it uses as much as digits as its factorization.

2004124513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450546.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2004124513 is about 44767.4492572449. The cubic root of 2004124513 is about 1260.7865486653.

Adding to 2004124513 its reverse (3154214002), we get a palindrome (5158338515).

The spelling of 2004124513 in words is "two billion, four million, one hundred twenty-four thousand, five hundred thirteen".