13043250503 has 2 divisors, whose sum is σ = 13043250504. Its totient is φ = 13043250502.

The previous prime is 13043250497. The next prime is 13043250529. The reversal of 13043250503 is 30505234031.

It is an a-pointer prime, because the next prime (13043250529) can be obtained adding 13043250503 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13043250503 - 2⁶ = 13043250439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13043250203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521625251 + 6521625252.

It is an arithmetic number, because the mean of its divisors is an integer number (6521625252).

Almost surely, 2^13043250503 is an apocalyptic number.

13043250503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13043250503 is an equidigital number, since it uses as much as digits as its factorization.

13043250503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 13043250503 its reverse (30505234031), we get a palindrome (43548484534).

The spelling of 13043250503 in words is "thirteen billion, forty-three million, two hundred fifty thousand, five hundred three".