13523352217 has 8 divisors (see below), whose sum is σ = 13788242496. Its totient is φ = 13258822512.

The previous prime is 13523352191. The next prime is 13523352223. The reversal of 13523352217 is 71225332531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13523352217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13523352247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13773 + ... + 165034.

It is an arithmetic number, because the mean of its divisors is an integer number (1723530312).

Almost surely, 2^13523352217 is an apocalyptic number.

It is an amenable number.

13523352217 is a deficient number, since it is larger than the sum of its proper divisors (264890279).

13523352217 is a wasteful number, since it uses less digits than its factorization.

13523352217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180287.

The product of its digits is 37800, while the sum is 34.

Adding to 13523352217 its reverse (71225332531), we get a palindrome (84748684748).

The spelling of 13523352217 in words is "thirteen billion, five hundred twenty-three million, three hundred fifty-two thousand, two hundred seventeen".