13525034233243 has 4 divisors (see below), whose sum is σ = 14565421481968. Its totient is φ = 12484646984520.

The previous prime is 13525034233241. The next prime is 13525034233279. The reversal of 13525034233243 is 34233243052531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13525034233243 - 2¹ = 13525034233241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13525034233196 and 13525034233205.

It is not an unprimeable number, because it can be changed into a prime (13525034233241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520193624343 + ... + 520193624368.

It is an arithmetic number, because the mean of its divisors is an integer number (3641355370492).

Almost surely, 2^{13525034233243} is an apocalyptic number.

13525034233243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13525034233243 is a deficient number, since it is larger than the sum of its proper divisors (1040387248725).

13525034233243 is a wasteful number, since it uses less digits than its factorization.

13525034233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040387248724.

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 13525034233243 its reverse (34233243052531), we get a palindrome (47758277285774).

The spelling of 13525034233243 in words is "thirteen trillion, five hundred twenty-five billion, thirty-four million, two hundred thirty-three thousand, two hundred forty-three".