225715213507673 has 2 divisors, whose sum is σ = 225715213507674. Its totient is φ = 225715213507672.

The previous prime is 225715213507621. The next prime is 225715213507733. The reversal of 225715213507673 is 376705312517522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172443856076944 + 53271357430729 = 13131788^2 + 7298723^2 .

It is a cyclic number.

It is not a de Polignac number, because 225715213507673 - 2¹⁴ = 225715213491289 is a prime.

It is not a weakly prime, because it can be changed into another prime (225715213507573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112857606753836 + 112857606753837.

It is an arithmetic number, because the mean of its divisors is an integer number (112857606753837).

Almost surely, 2^{225715213507673} is an apocalyptic number.

It is an amenable number.

225715213507673 is a deficient number, since it is larger than the sum of its proper divisors (1).

225715213507673 is an equidigital number, since it uses as much as digits as its factorization.

225715213507673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522000, while the sum is 56.

The spelling of 225715213507673 in words is "two hundred twenty-five trillion, seven hundred fifteen billion, two hundred thirteen million, five hundred seven thousand, six hundred seventy-three".