170210489 has 2 divisors, whose sum is σ = 170210490. Its totient is φ = 170210488.

The previous prime is 170210479. The next prime is 170210533. The reversal of 170210489 is 984012071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94381225 + 75829264 = 9715^2 + 8708^2 .

It is a cyclic number.

It is not a de Polignac number, because 170210489 - 2⁴ = 170210473 is a prime.

It is a super-2 number, since 2×170210489² = 57943221131238242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (170210479) 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, 85105244 + 85105245.

It is an arithmetic number, because the mean of its divisors is an integer number (85105245).

Almost surely, 2^170210489 is an apocalyptic number.

It is an amenable number.

170210489 is a deficient number, since it is larger than the sum of its proper divisors (1).

170210489 is an equidigital number, since it uses as much as digits as its factorization.

170210489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 170210489 is about 13046.4741980353. The cubic root of 170210489 is about 554.1943661081.

The spelling of 170210489 in words is "one hundred seventy million, two hundred ten thousand, four hundred eighty-nine".