171060247 has 2 divisors, whose sum is σ = 171060248. Its totient is φ = 171060246.

The previous prime is 171060221. The next prime is 171060251. The reversal of 171060247 is 742060171.

It is a strong prime.

It is an emirp because it is prime and its reverse (742060171) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171060247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171060217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85530123 + 85530124.

It is an arithmetic number, because the mean of its divisors is an integer number (85530124).

Almost surely, 2^171060247 is an apocalyptic number.

171060247 is a deficient number, since it is larger than the sum of its proper divisors (1).

171060247 is an equidigital number, since it uses as much as digits as its factorization.

171060247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 171060247 is about 13079.0002293753. Note that the first 3 decimals coincide. The cubic root of 171060247 is about 555.1150880017.

The spelling of 171060247 in words is "one hundred seventy-one million, sixty thousand, two hundred forty-seven".