171135043 has 2 divisors, whose sum is σ = 171135044. Its totient is φ = 171135042.

The previous prime is 171135017. The next prime is 171135047. The reversal of 171135043 is 340531171.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171135043 is a prime.

It is a super-2 number, since 2×171135043² = 58574405885223698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 171134999 and 171135017.

It is not a weakly prime, because it can be changed into another prime (171135047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85567521 + 85567522.

It is an arithmetic number, because the mean of its divisors is an integer number (85567522).

Almost surely, 2^171135043 is an apocalyptic number.

171135043 is a deficient number, since it is larger than the sum of its proper divisors (1).

171135043 is an equidigital number, since it uses as much as digits as its factorization.

171135043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 171135043 is about 13081.8593097465. The cubic root of 171135043 is about 555.1959841357.

The spelling of 171135043 in words is "one hundred seventy-one million, one hundred thirty-five thousand, forty-three".