171232273 has 2 divisors, whose sum is σ = 171232274. Its totient is φ = 171232272.

The previous prime is 171232261. The next prime is 171232283. The reversal of 171232273 is 372232171.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105021504 + 66210769 = 10248^2 + 8137^2 .

It is a cyclic number.

It is not a de Polignac number, because 171232273 - 2⁹ = 171231761 is a prime.

It is not a weakly prime, because it can be changed into another prime (171232223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85616136 + 85616137.

It is an arithmetic number, because the mean of its divisors is an integer number (85616137).

Almost surely, 2^171232273 is an apocalyptic number.

It is an amenable number.

171232273 is a deficient number, since it is larger than the sum of its proper divisors (1).

171232273 is an equidigital number, since it uses as much as digits as its factorization.

171232273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 171232273 is about 13085.5749969193. The cubic root of 171232273 is about 555.3011086904.

The spelling of 171232273 in words is "one hundred seventy-one million, two hundred thirty-two thousand, two hundred seventy-three".