170494133 has 2 divisors, whose sum is σ = 170494134. Its totient is φ = 170494132.

The previous prime is 170494127. The next prime is 170494153. The reversal of 170494133 is 331494071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86899684 + 83594449 = 9322^2 + 9143^2 .

It is an emirp because it is prime and its reverse (331494071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170494133 - 2⁸ = 170493877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170494133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170494153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85247066 + 85247067.

It is an arithmetic number, because the mean of its divisors is an integer number (85247067).

Almost surely, 2^170494133 is an apocalyptic number.

It is an amenable number.

170494133 is a deficient number, since it is larger than the sum of its proper divisors (1).

170494133 is an equidigital number, since it uses as much as digits as its factorization.

170494133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 170494133 is about 13057.3401962268. The cubic root of 170494133 is about 554.5020374525.

The spelling of 170494133 in words is "one hundred seventy million, four hundred ninety-four thousand, one hundred thirty-three".