170012197 has 2 divisors, whose sum is σ = 170012198. Its totient is φ = 170012196.

The previous prime is 170012147. The next prime is 170012201. The reversal of 170012197 is 791210071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142826401 + 27185796 = 11951^2 + 5214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170012197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170012107) 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, 85006098 + 85006099.

It is an arithmetic number, because the mean of its divisors is an integer number (85006099).

Almost surely, 2^170012197 is an apocalyptic number.

It is an amenable number.

170012197 is a deficient number, since it is larger than the sum of its proper divisors (1).

170012197 is an equidigital number, since it uses as much as digits as its factorization.

170012197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 170012197 is about 13038.8725356144. The cubic root of 170012197 is about 553.9790738315.

The spelling of 170012197 in words is "one hundred seventy million, twelve thousand, one hundred ninety-seven".