705169 has 2 divisors, whose sum is σ = 705170. Its totient is φ = 705168.

The previous prime is 705167. The next prime is 705181. The reversal of 705169 is 961507.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 330625 = 612^2 + 575^2 .

It is an emirp because it is prime and its reverse (961507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705169 - 2¹ = 705167 is a prime.

It is a super-2 number, since 2×705169² = 994526637122, which contains 22 as substring.

Together with 705167, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (705161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352584 + 352585.

It is an arithmetic number, because the mean of its divisors is an integer number (352585).

2⁷⁰⁵¹⁶⁹ is an apocalyptic number.

It is an amenable number.

705169 is a deficient number, since it is larger than the sum of its proper divisors (1).

705169 is an equidigital number, since it uses as much as digits as its factorization.

705169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 705169 is about 839.7434131924. The cubic root of 705169 is about 89.0084156499.

The spelling of 705169 in words is "seven hundred five thousand, one hundred sixty-nine".