1705273 has 2 divisors, whose sum is σ = 1705274. Its totient is φ = 1705272.

The previous prime is 1705271. The next prime is 1705303. The reversal of 1705273 is 3725071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 258064 = 1203^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1705273 - 2¹ = 1705271 is a prime.

Together with 1705271, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 7 + 0 + 5⁷ + 2¹⁵ + 7² + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (1705271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852636 + 852637.

It is an arithmetic number, because the mean of its divisors is an integer number (852637).

2^1705273 is an apocalyptic number.

It is an amenable number.

1705273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1705273 is an equidigital number, since it uses as much as digits as its factorization.

1705273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 1705273 is about 1305.8610186387. The cubic root of 1705273 is about 119.4715886309.

The spelling of 1705273 in words is "one million, seven hundred five thousand, two hundred seventy-three".