172711267 has 2 divisors, whose sum is σ = 172711268. Its totient is φ = 172711266.

The previous prime is 172711247. The next prime is 172711283. The reversal of 172711267 is 762117271.

It is a strong prime.

It is an emirp because it is prime and its reverse (762117271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172711267 - 2¹¹ = 172709219 is a prime.

It is not a weakly prime, because it can be changed into another prime (172711247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86355633 + 86355634.

It is an arithmetic number, because the mean of its divisors is an integer number (86355634).

Almost surely, 2^172711267 is an apocalyptic number.

172711267 is a deficient number, since it is larger than the sum of its proper divisors (1).

172711267 is an equidigital number, since it uses as much as digits as its factorization.

172711267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232, while the sum is 34.

The square root of 172711267 is about 13141.9658727300. The cubic root of 172711267 is about 556.8953052605.

The spelling of 172711267 in words is "one hundred seventy-two million, seven hundred eleven thousand, two hundred sixty-seven".