172714109 has 2 divisors, whose sum is σ = 172714110. Its totient is φ = 172714108.

The previous prime is 172714093. The next prime is 172714127. The reversal of 172714109 is 901417271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166978084 + 5736025 = 12922^2 + 2395^2 .

It is an emirp because it is prime and its reverse (901417271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172714109 - 2⁴ = 172714093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172714909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86357054 + 86357055.

It is an arithmetic number, because the mean of its divisors is an integer number (86357055).

Almost surely, 2^172714109 is an apocalyptic number.

It is an amenable number.

172714109 is a deficient number, since it is larger than the sum of its proper divisors (1).

172714109 is an equidigital number, since it uses as much as digits as its factorization.

172714109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 172714109 is about 13142.0739991829. The cubic root of 172714109 is about 556.8983598533.

The spelling of 172714109 in words is "one hundred seventy-two million, seven hundred fourteen thousand, one hundred nine".