13125251 has 2 divisors, whose sum is σ = 13125252. Its totient is φ = 13125250.

The previous prime is 13125223. The next prime is 13125271. The reversal of 13125251 is 15252131.

It is a happy number.

13125251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13125271) can be obtained adding 13125251 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (15252131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13125251 - 2¹⁰ = 13124227 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13125271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562625 + 6562626.

It is an arithmetic number, because the mean of its divisors is an integer number (6562626).

Almost surely, 2^13125251 is an apocalyptic number.

13125251 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125251 is an equidigital number, since it uses as much as digits as its factorization.

13125251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 20.

The square root of 13125251 is about 3622.8788276728. The cubic root of 13125251 is about 235.8862026776.

Adding to 13125251 its reverse (15252131), we get a palindrome (28377382).

The spelling of 13125251 in words is "thirteen million, one hundred twenty-five thousand, two hundred fifty-one".