13530541523 has 2 divisors, whose sum is σ = 13530541524. Its totient is φ = 13530541522.

The previous prime is 13530541517. The next prime is 13530541547. The reversal of 13530541523 is 32514503531.

It is a weak prime.

It is an emirp because it is prime and its reverse (32514503531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13530541523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13530541523.

It is not a weakly prime, because it can be changed into another prime (13530540523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765270761 + 6765270762.

It is an arithmetic number, because the mean of its divisors is an integer number (6765270762).

Almost surely, 2^13530541523 is an apocalyptic number.

13530541523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530541523 is an equidigital number, since it uses as much as digits as its factorization.

13530541523 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 13530541523 in words is "thirteen billion, five hundred thirty million, five hundred forty-one thousand, five hundred twenty-three".