170044213 has 2 divisors, whose sum is σ = 170044214. Its totient is φ = 170044212.

The previous prime is 170044181. The next prime is 170044223. The reversal of 170044213 is 312440071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168948004 + 1096209 = 12998^2 + 1047^2 .

It is an emirp because it is prime and its reverse (312440071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170044213 - 2⁵ = 170044181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170044223) 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, 85022106 + 85022107.

It is an arithmetic number, because the mean of its divisors is an integer number (85022107).

Almost surely, 2^170044213 is an apocalyptic number.

It is an amenable number.

170044213 is a deficient number, since it is larger than the sum of its proper divisors (1).

170044213 is an equidigital number, since it uses as much as digits as its factorization.

170044213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 170044213 is about 13040.1001913329. The cubic root of 170044213 is about 554.0138460050.

Adding to 170044213 its reverse (312440071), we get a palindrome (482484284).

The spelling of 170044213 in words is "one hundred seventy million, forty-four thousand, two hundred thirteen".