204050173 has 2 divisors, whose sum is σ = 204050174. Its totient is φ = 204050172.

The previous prime is 204050131. The next prime is 204050183. The reversal of 204050173 is 371050402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185014404 + 19035769 = 13602^2 + 4363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204050173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204050123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102025086 + 102025087.

It is an arithmetic number, because the mean of its divisors is an integer number (102025087).

Almost surely, 2^204050173 is an apocalyptic number.

It is an amenable number.

204050173 is a deficient number, since it is larger than the sum of its proper divisors (1).

204050173 is an equidigital number, since it uses as much as digits as its factorization.

204050173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 204050173 is about 14284.6131554201. The cubic root of 204050173 is about 588.7247886272.

The spelling of 204050173 in words is "two hundred four million, fifty thousand, one hundred seventy-three".