170282561 has 2 divisors, whose sum is σ = 170282562. Its totient is φ = 170282560.

The previous prime is 170282533. The next prime is 170282569. The reversal of 170282561 is 165282071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137334961 + 32947600 = 11719^2 + 5740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170282561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170282569) 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, 85141280 + 85141281.

It is an arithmetic number, because the mean of its divisors is an integer number (85141281).

Almost surely, 2^170282561 is an apocalyptic number.

It is an amenable number.

170282561 is a deficient number, since it is larger than the sum of its proper divisors (1).

170282561 is an equidigital number, since it uses as much as digits as its factorization.

170282561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 170282561 is about 13049.2360312778. The cubic root of 170282561 is about 554.2725756638.

The spelling of 170282561 in words is "one hundred seventy million, two hundred eighty-two thousand, five hundred sixty-one".