171383941 has 2 divisors, whose sum is σ = 171383942. Its totient is φ = 171383940.

The previous prime is 171383921. The next prime is 171383957. The reversal of 171383941 is 149383171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170851041 + 532900 = 13071^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 171383941 - 2⁵ = 171383909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 171383941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171383911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85691970 + 85691971.

It is an arithmetic number, because the mean of its divisors is an integer number (85691971).

Almost surely, 2^171383941 is an apocalyptic number.

It is an amenable number.

171383941 is a deficient number, since it is larger than the sum of its proper divisors (1).

171383941 is an equidigital number, since it uses as much as digits as its factorization.

171383941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 171383941 is about 13091.3689505720. The cubic root of 171383941 is about 555.4650118945.

The spelling of 171383941 in words is "one hundred seventy-one million, three hundred eighty-three thousand, nine hundred forty-one".