13213305253 has 2 divisors, whose sum is σ = 13213305254. Its totient is φ = 13213305252.

The previous prime is 13213305239. The next prime is 13213305257. The reversal of 13213305253 is 35250331231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10135052929 + 3078252324 = 100673^2 + 55482^2 .

It is a cyclic number.

It is not a de Polignac number, because 13213305253 - 2²⁹ = 12676434341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13213305257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606652626 + 6606652627.

It is an arithmetic number, because the mean of its divisors is an integer number (6606652627).

Almost surely, 2^13213305253 is an apocalyptic number.

It is an amenable number.

13213305253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213305253 is an equidigital number, since it uses as much as digits as its factorization.

13213305253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 13213305253 its reverse (35250331231), we get a palindrome (48463636484).

The spelling of 13213305253 in words is "thirteen billion, two hundred thirteen million, three hundred five thousand, two hundred fifty-three".