13243253 has 2 divisors, whose sum is σ = 13243254. Its totient is φ = 13243252.

The previous prime is 13243213. The next prime is 13243259. The reversal of 13243253 is 35234231.

13243253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9012004 + 4231249 = 3002^2 + 2057^2 .

It is an emirp because it is prime and its reverse (35234231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13243253 - 2⁸ = 13242997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13243259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621626 + 6621627.

It is an arithmetic number, because the mean of its divisors is an integer number (6621627).

Almost surely, 2^13243253 is an apocalyptic number.

It is an amenable number.

13243253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243253 is an equidigital number, since it uses as much as digits as its factorization.

13243253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 13243253 is about 3639.1280549055. The cubic root of 13243253 is about 236.5910029455.

Adding to 13243253 its reverse (35234231), we get a palindrome (48477484).

The spelling of 13243253 in words is "thirteen million, two hundred forty-three thousand, two hundred fifty-three".