171428083 has 2 divisors, whose sum is σ = 171428084. Its totient is φ = 171428082.

The previous prime is 171428071. The next prime is 171428107. The reversal of 171428083 is 380824171.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171428083 is a prime.

It is not a weakly prime, because it can be changed into another prime (171428783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85714041 + 85714042.

It is an arithmetic number, because the mean of its divisors is an integer number (85714042).

Almost surely, 2^171428083 is an apocalyptic number.

171428083 is a deficient number, since it is larger than the sum of its proper divisors (1).

171428083 is an equidigital number, since it uses as much as digits as its factorization.

171428083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 171428083 is about 13093.0547619721. The cubic root of 171428083 is about 555.5126967041.

The spelling of 171428083 in words is "one hundred seventy-one million, four hundred twenty-eight thousand, eighty-three".