13531044253 has 2 divisors, whose sum is σ = 13531044254. Its totient is φ = 13531044252.

The previous prime is 13531044251. The next prime is 13531044323. The reversal of 13531044253 is 35244013531.

13531044253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13461104484 + 69939769 = 116022^2 + 8363^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531044253 - 2¹ = 13531044251 is a prime.

Together with 13531044251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531044251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765522126 + 6765522127.

It is an arithmetic number, because the mean of its divisors is an integer number (6765522127).

Almost surely, 2^13531044253 is an apocalyptic number.

It is an amenable number.

13531044253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531044253 is an equidigital number, since it uses as much as digits as its factorization.

13531044253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 13531044253 its reverse (35244013531), we get a palindrome (48775057784).

The spelling of 13531044253 in words is "thirteen billion, five hundred thirty-one million, forty-four thousand, two hundred fifty-three".