172410317 has 2 divisors, whose sum is σ = 172410318. Its totient is φ = 172410316.

The previous prime is 172410281. The next prime is 172410319. The reversal of 172410317 is 713014271.

It is a happy number.

172410317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112487236 + 59923081 = 10606^2 + 7741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172410317 is a prime.

Together with 172410319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172410319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86205158 + 86205159.

It is an arithmetic number, because the mean of its divisors is an integer number (86205159).

Almost surely, 2^172410317 is an apocalyptic number.

It is an amenable number.

172410317 is a deficient number, since it is larger than the sum of its proper divisors (1).

172410317 is an equidigital number, since it uses as much as digits as its factorization.

172410317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 172410317 is about 13130.5109192293. The cubic root of 172410317 is about 556.5716531795.

Adding to 172410317 its reverse (713014271), we get a palindrome (885424588).

The spelling of 172410317 in words is "one hundred seventy-two million, four hundred ten thousand, three hundred seventeen".