2004512403 has 6 divisors (see below), whose sum is σ = 2672786604. Its totient is φ = 1336289904.

The previous prime is 2004512401. The next prime is 2004512413. The reversal of 2004512403 is 3042154002.

It is not a de Polignac number, because 2004512403 - 2¹ = 2004512401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2004512403.

It is not an unprimeable number, because it can be changed into a prime (2004512401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64623 + ... + 90471.

It is an arithmetic number, because the mean of its divisors is an integer number (445464434).

Almost surely, 2^2004512403 is an apocalyptic number.

2004512403 is a deficient number, since it is larger than the sum of its proper divisors (668274201).

2004512403 is an frugal number, since it uses more digits than its factorization.

2004512403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51701 (or 25852 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2004512403 is about 44771.7813248479. The cubic root of 2004512403 is about 1260.8678834233.

Adding to 2004512403 its reverse (3042154002), we get a palindrome (5046666405).

The spelling of 2004512403 in words is "two billion, four million, five hundred twelve thousand, four hundred three".