171113441 has 2 divisors, whose sum is σ = 171113442. Its totient is φ = 171113440.

The previous prime is 171113413. The next prime is 171113489. The reversal of 171113441 is 144311171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156975841 + 14137600 = 12529^2 + 3760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171113441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (171113741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85556720 + 85556721.

It is an arithmetic number, because the mean of its divisors is an integer number (85556721).

Almost surely, 2^171113441 is an apocalyptic number.

It is an amenable number.

171113441 is a deficient number, since it is larger than the sum of its proper divisors (1).

171113441 is an equidigital number, since it uses as much as digits as its factorization.

171113441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

The square root of 171113441 is about 13081.0336365289. The cubic root of 171113441 is about 555.1726227635.

The spelling of 171113441 in words is "one hundred seventy-one million, one hundred thirteen thousand, four hundred forty-one".