13225395251 has 2 divisors, whose sum is σ = 13225395252. Its totient is φ = 13225395250.

The previous prime is 13225395217. The next prime is 13225395269. The reversal of 13225395251 is 15259352231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13225395251 - 2¹⁰ = 13225394227 is a prime.

It is a super-2 number, since 2×13225395251² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13225395751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612697625 + 6612697626.

It is an arithmetic number, because the mean of its divisors is an integer number (6612697626).

Almost surely, 2^13225395251 is an apocalyptic number.

13225395251 is a deficient number, since it is larger than the sum of its proper divisors (1).

13225395251 is an equidigital number, since it uses as much as digits as its factorization.

13225395251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The spelling of 13225395251 in words is "thirteen billion, two hundred twenty-five million, three hundred ninety-five thousand, two hundred fifty-one".