171368473 has 2 divisors, whose sum is σ = 171368474. Its totient is φ = 171368472.

The previous prime is 171368443. The next prime is 171368489. The reversal of 171368473 is 374863171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132779529 + 38588944 = 11523^2 + 6212^2 .

It is a cyclic number.

It is not a de Polignac number, because 171368473 - 2⁹ = 171367961 is a prime.

It is not a weakly prime, because it can be changed into another prime (171368443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85684236 + 85684237.

It is an arithmetic number, because the mean of its divisors is an integer number (85684237).

Almost surely, 2^171368473 is an apocalyptic number.

It is an amenable number.

171368473 is a deficient number, since it is larger than the sum of its proper divisors (1).

171368473 is an equidigital number, since it uses as much as digits as its factorization.

171368473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 171368473 is about 13090.7781663276. The cubic root of 171368473 is about 555.4483005051.

The spelling of 171368473 in words is "one hundred seventy-one million, three hundred sixty-eight thousand, four hundred seventy-three".