225006645673 has 2 divisors, whose sum is σ = 225006645674. Its totient is φ = 225006645672.

The previous prime is 225006645649. The next prime is 225006645709. The reversal of 225006645673 is 376546600522.

225006645673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216158045184 + 8848600489 = 464928^2 + 94067^2 .

It is a cyclic number.

It is not a de Polignac number, because 225006645673 - 2²⁵ = 224973091241 is a prime.

It is not a weakly prime, because it can be changed into another prime (225006645173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112503322836 + 112503322837.

It is an arithmetic number, because the mean of its divisors is an integer number (112503322837).

Almost surely, 2^225006645673 is an apocalyptic number.

It is an amenable number.

225006645673 is a deficient number, since it is larger than the sum of its proper divisors (1).

225006645673 is an equidigital number, since it uses as much as digits as its factorization.

225006645673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 225006645673 in words is "two hundred twenty-five billion, six million, six hundred forty-five thousand, six hundred seventy-three".