2005541003 has 2 divisors, whose sum is σ = 2005541004. Its totient is φ = 2005541002.

The previous prime is 2005540961. The next prime is 2005541033. The reversal of 2005541003 is 3001455002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2005541003 - 2²⁸ = 1737105547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005541033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002770501 + 1002770502.

It is an arithmetic number, because the mean of its divisors is an integer number (1002770502).

Almost surely, 2^2005541003 is an apocalyptic number.

2005541003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005541003 is an equidigital number, since it uses as much as digits as its factorization.

2005541003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2005541003 is about 44783.2669978420. The cubic root of 2005541003 is about 1261.0835147376.

Adding to 2005541003 its reverse (3001455002), we get a palindrome (5006996005).

The spelling of 2005541003 in words is "two billion, five million, five hundred forty-one thousand, three".