2003042053 has 4 divisors (see below), whose sum is σ = 2009878668. Its totient is φ = 1996205440.

The previous prime is 2003042047. The next prime is 2003042059. The reversal of 2003042053 is 3502403002.

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

It is an interprime number because it is at equal distance from previous prime (2003042047) and next prime (2003042059).

It can be written as a sum of positive squares in 2 ways, for example, as 1174638529 + 828403524 = 34273^2 + 28782^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003042053 - 2²⁹ = 1466171141 is a prime.

It is a super-3 number, since 3×2003042053³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003042053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003042059) 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, 3417868 + ... + 3418453.

It is an arithmetic number, because the mean of its divisors is an integer number (502469667).

Almost surely, 2^2003042053 is an apocalyptic number.

It is an amenable number.

2003042053 is a deficient number, since it is larger than the sum of its proper divisors (6836615).

2003042053 is an equidigital number, since it uses as much as digits as its factorization.

2003042053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836614.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2003042053 is about 44755.3578133390. The cubic root of 2003042053 is about 1260.5595173971.

Adding to 2003042053 its reverse (3502403002), we get a palindrome (5505445055).

The spelling of 2003042053 in words is "two billion, three million, forty-two thousand, fifty-three".