225064239173 has 2 divisors, whose sum is σ = 225064239174. Its totient is φ = 225064239172.

The previous prime is 225064239109. The next prime is 225064239209. The reversal of 225064239173 is 371932460522.

225064239173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150992084929 + 74072154244 = 388577^2 + 272162^2 .

It is a cyclic number.

It is not a de Polignac number, because 225064239173 - 2⁶ = 225064239109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225064239773) 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, 112532119586 + 112532119587.

It is an arithmetic number, because the mean of its divisors is an integer number (112532119587).

Almost surely, 2^225064239173 is an apocalyptic number.

It is an amenable number.

225064239173 is a deficient number, since it is larger than the sum of its proper divisors (1).

225064239173 is an equidigital number, since it uses as much as digits as its factorization.

225064239173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

Adding to 225064239173 its reverse (371932460522), we get a palindrome (596996699695).

The spelling of 225064239173 in words is "two hundred twenty-five billion, sixty-four million, two hundred thirty-nine thousand, one hundred seventy-three".