171013057 has 2 divisors, whose sum is σ = 171013058. Its totient is φ = 171013056.

The previous prime is 171013039. The next prime is 171013061. The reversal of 171013057 is 750310171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146023056 + 24990001 = 12084^2 + 4999^2 .

It is a cyclic number.

It is not a de Polignac number, because 171013057 - 2⁷ = 171012929 is a prime.

It is not a weakly prime, because it can be changed into another prime (171013097) 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, 85506528 + 85506529.

It is an arithmetic number, because the mean of its divisors is an integer number (85506529).

Almost surely, 2^171013057 is an apocalyptic number.

It is an amenable number.

171013057 is a deficient number, since it is larger than the sum of its proper divisors (1).

171013057 is an equidigital number, since it uses as much as digits as its factorization.

171013057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 171013057 is about 13077.1960679650. The cubic root of 171013057 is about 555.0640371961.

The spelling of 171013057 in words is "one hundred seventy-one million, thirteen thousand, fifty-seven".