13531452503 has 2 divisors, whose sum is σ = 13531452504. Its totient is φ = 13531452502.

The previous prime is 13531452497. The next prime is 13531452533. The reversal of 13531452503 is 30525413531.

It is a weak prime.

It is an emirp because it is prime and its reverse (30525413531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13531452503 - 2⁶ = 13531452439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13531452503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531452533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765726251 + 6765726252.

It is an arithmetic number, because the mean of its divisors is an integer number (6765726252).

Almost surely, 2^13531452503 is an apocalyptic number.

13531452503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531452503 is an equidigital number, since it uses as much as digits as its factorization.

13531452503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 13531452503 in words is "thirteen billion, five hundred thirty-one million, four hundred fifty-two thousand, five hundred three".