201134173 has 2 divisors, whose sum is σ = 201134174. Its totient is φ = 201134172.

The previous prime is 201134161. The next prime is 201134249. The reversal of 201134173 is 371431102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197205849 + 3928324 = 14043^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 201134173 - 2²¹ = 199037021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201174173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100567086 + 100567087.

It is an arithmetic number, because the mean of its divisors is an integer number (100567087).

Almost surely, 2^201134173 is an apocalyptic number.

It is an amenable number.

201134173 is a deficient number, since it is larger than the sum of its proper divisors (1).

201134173 is an equidigital number, since it uses as much as digits as its factorization.

201134173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 201134173 is about 14182.1780062161. The cubic root of 201134173 is about 585.9069119103.

Adding to 201134173 its reverse (371431102), we get a palindrome (572565275).

The spelling of 201134173 in words is "two hundred one million, one hundred thirty-four thousand, one hundred seventy-three".