2003280563 has 2 divisors, whose sum is σ = 2003280564. Its totient is φ = 2003280562.

The previous prime is 2003280557. The next prime is 2003280581. The reversal of 2003280563 is 3650823002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2003280563 - 2⁴ = 2003280547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003280463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001640281 + 1001640282.

It is an arithmetic number, because the mean of its divisors is an integer number (1001640282).

Almost surely, 2^2003280563 is an apocalyptic number.

2003280563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003280563 is an equidigital number, since it uses as much as digits as its factorization.

2003280563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2003280563 is about 44758.0223311978. The cubic root of 2003280563 is about 1260.6095486513.

The spelling of 2003280563 in words is "two billion, three million, two hundred eighty thousand, five hundred sixty-three".