1705241 has 2 divisors, whose sum is σ = 1705242. Its totient is φ = 1705240.

The previous prime is 1705211. The next prime is 1705247. The reversal of 1705241 is 1425071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1008016 + 697225 = 1004^2 + 835^2 .

It is an emirp because it is prime and its reverse (1425071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1705241 - 2¹⁰ = 1704217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1705247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852620 + 852621.

It is an arithmetic number, because the mean of its divisors is an integer number (852621).

2^1705241 is an apocalyptic number.

It is an amenable number.

1705241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1705241 is an equidigital number, since it uses as much as digits as its factorization.

1705241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1705241 is about 1305.8487661288. The cubic root of 1705241 is about 119.4708413186.

The spelling of 1705241 in words is "one million, seven hundred five thousand, two hundred forty-one".