13245251 has 2 divisors, whose sum is σ = 13245252. Its totient is φ = 13245250.

The previous prime is 13245233. The next prime is 13245259. The reversal of 13245251 is 15254231.

It is a strong prime.

It is an emirp because it is prime and its reverse (15254231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13245251 - 2⁶ = 13245187 is a prime.

It is not a weakly prime, because it can be changed into another prime (13245259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622625 + 6622626.

It is an arithmetic number, because the mean of its divisors is an integer number (6622626).

Almost surely, 2^13245251 is an apocalyptic number.

13245251 is a deficient number, since it is larger than the sum of its proper divisors (1).

13245251 is an equidigital number, since it uses as much as digits as its factorization.

13245251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 23.

The square root of 13245251 is about 3639.4025608608. The cubic root of 13245251 is about 236.6029004517.

Adding to 13245251 its reverse (15254231), we get a palindrome (28499482).

The spelling of 13245251 in words is "thirteen million, two hundred forty-five thousand, two hundred fifty-one".