170102057 has 2 divisors, whose sum is σ = 170102058. Its totient is φ = 170102056.

The previous prime is 170102039. The next prime is 170102063. The reversal of 170102057 is 750201071.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169624576 + 477481 = 13024^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 170102057 - 2⁶ = 170101993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170102087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85051028 + 85051029.

It is an arithmetic number, because the mean of its divisors is an integer number (85051029).

Almost surely, 2^170102057 is an apocalyptic number.

It is an amenable number.

170102057 is a deficient number, since it is larger than the sum of its proper divisors (1).

170102057 is an equidigital number, since it uses as much as digits as its factorization.

170102057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 170102057 is about 13042.3179304907. The cubic root of 170102057 is about 554.0766585784.

The spelling of 170102057 in words is "one hundred seventy million, one hundred two thousand, fifty-seven".