2003522993 has 2 divisors, whose sum is σ = 2003522994. Its totient is φ = 2003522992.

The previous prime is 2003522923. The next prime is 2003523047. The reversal of 2003522993 is 3992253002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1197644449 + 805878544 = 34607^2 + 28388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003522993 - 2²⁸ = 1735087537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003522903) 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, 1001761496 + 1001761497.

It is an arithmetic number, because the mean of its divisors is an integer number (1001761497).

Almost surely, 2^2003522993 is an apocalyptic number.

It is an amenable number.

2003522993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003522993 is an equidigital number, since it uses as much as digits as its factorization.

2003522993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 2003522993 is about 44760.7304788472. The cubic root of 2003522993 is about 1260.6603981181.

Adding to 2003522993 its reverse (3992253002), we get a palindrome (5995775995).

The spelling of 2003522993 in words is "two billion, three million, five hundred twenty-two thousand, nine hundred ninety-three".