2003122493 has 2 divisors, whose sum is σ = 2003122494. Its totient is φ = 2003122492.

The previous prime is 2003122483. The next prime is 2003122531. The reversal of 2003122493 is 3942213002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1925717689 + 77404804 = 43883^2 + 8798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003122493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003122483) 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, 1001561246 + 1001561247.

It is an arithmetic number, because the mean of its divisors is an integer number (1001561247).

Almost surely, 2^2003122493 is an apocalyptic number.

It is an amenable number.

2003122493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003122493 is an equidigital number, since it uses as much as digits as its factorization.

2003122493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2003122493 is about 44756.2564676716. The cubic root of 2003122493 is about 1260.5763914064.

Adding to 2003122493 its reverse (3942213002), we get a palindrome (5945335495).

It can be divided in two parts, 20031 and 22493, that added together give a palindrome (42524).

The spelling of 2003122493 in words is "two billion, three million, one hundred twenty-two thousand, four hundred ninety-three".