225576173 has 2 divisors, whose sum is σ = 225576174. Its totient is φ = 225576172.

The previous prime is 225576163. The next prime is 225576209. The reversal of 225576173 is 371675522.

225576173 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., 223891369 + 1684804 = 14963^2 + 1298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225576173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225576163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112788086 + 112788087.

It is an arithmetic number, because the mean of its divisors is an integer number (112788087).

Almost surely, 2^225576173 is an apocalyptic number.

It is an amenable number.

225576173 is a deficient number, since it is larger than the sum of its proper divisors (1).

225576173 is an equidigital number, since it uses as much as digits as its factorization.

225576173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 38.

The square root of 225576173 is about 15019.1934870019. The cubic root of 225576173 is about 608.7389274831.

The spelling of 225576173 in words is "two hundred twenty-five million, five hundred seventy-six thousand, one hundred seventy-three".