2003040041 has 4 divisors (see below), whose sum is σ = 2003130000. Its totient is φ = 2002950084.

The previous prime is 2003040019. The next prime is 2003040071. The reversal of 2003040041 is 1400403002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1400403002 = 2 ⋅700201501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003040041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2003039998 and 2003040025.

It is not an unprimeable number, because it can be changed into a prime (2003040071) 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, 15770 + ... + 65228.

It is an arithmetic number, because the mean of its divisors is an integer number (500782500).

Almost surely, 2^2003040041 is an apocalyptic number.

It is an amenable number.

2003040041 is a deficient number, since it is larger than the sum of its proper divisors (89959).

2003040041 is an equidigital number, since it uses as much as digits as its factorization.

2003040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89958.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2003040041 is about 44755.3353355776. The cubic root of 2003040041 is about 1260.5590953313.

Adding to 2003040041 its reverse (1400403002), we get a palindrome (3403443043).

The spelling of 2003040041 in words is "two billion, three million, forty thousand, forty-one".