2003055413 has 4 divisors (see below), whose sum is σ = 2120882220. Its totient is φ = 1885228608.

The previous prime is 2003055403. The next prime is 2003055427. The reversal of 2003055413 is 3145503002.

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 1598160529 + 404894884 = 39977^2 + 20122^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003055413 - 2¹⁸ = 2002793269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003055403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58913378 + ... + 58913411.

It is an arithmetic number, because the mean of its divisors is an integer number (530220555).

Almost surely, 2^2003055413 is an apocalyptic number.

It is an amenable number.

2003055413 is a deficient number, since it is larger than the sum of its proper divisors (117826807).

2003055413 is a wasteful number, since it uses less digits than its factorization.

2003055413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117826806.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2003055413 is about 44755.5070689630. The cubic root of 2003055413 is about 1260.5623199740.

Adding to 2003055413 its reverse (3145503002), we get a palindrome (5148558415).

The spelling of 2003055413 in words is "two billion, three million, fifty-five thousand, four hundred thirteen".