225318775005251 has 2 divisors, whose sum is σ = 225318775005252. Its totient is φ = 225318775005250.

The previous prime is 225318775005211. The next prime is 225318775005253. The reversal of 225318775005251 is 152500577813522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225318775005251 - 2⁶ = 225318775005187 is a prime.

Together with 225318775005253, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225318775005193 and 225318775005202.

It is not a weakly prime, because it can be changed into another prime (225318775005253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112659387502625 + 112659387502626.

It is an arithmetic number, because the mean of its divisors is an integer number (112659387502626).

Almost surely, 2^{225318775005251} is an apocalyptic number.

225318775005251 is a deficient number, since it is larger than the sum of its proper divisors (1).

225318775005251 is an equidigital number, since it uses as much as digits as its factorization.

225318775005251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880000, while the sum is 53.

The spelling of 225318775005251 in words is "two hundred twenty-five trillion, three hundred eighteen billion, seven hundred seventy-five million, five thousand, two hundred fifty-one".