170065481 has 2 divisors, whose sum is σ = 170065482. Its totient is φ = 170065480.

The previous prime is 170065477. The next prime is 170065487. The reversal of 170065481 is 184560071.

It is a happy number.

170065481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168480400 + 1585081 = 12980^2 + 1259^2 .

It is an emirp because it is prime and its reverse (184560071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170065481 - 2² = 170065477 is a prime.

It is a super-2 number, since 2×170065481² = 57844535655522722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (170065487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85032740 + 85032741.

It is an arithmetic number, because the mean of its divisors is an integer number (85032741).

Almost surely, 2^170065481 is an apocalyptic number.

It is an amenable number.

170065481 is a deficient number, since it is larger than the sum of its proper divisors (1).

170065481 is an equidigital number, since it uses as much as digits as its factorization.

170065481 is an evil number, because the sum of its binary digits is even.

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

The square root of 170065481 is about 13040.9156503675. The cubic root of 170065481 is about 554.0369424986.

The spelling of 170065481 in words is "one hundred seventy million, sixty-five thousand, four hundred eighty-one".