1730081 has 2 divisors, whose sum is σ = 1730082. Its totient is φ = 1730080.

The previous prime is 1730063. The next prime is 1730087. The reversal of 1730081 is 1800371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175056 + 555025 = 1084^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730081 - 2¹⁸ = 1467937 is a prime.

It is a super-2 number, since 2×1730081² = 5986360533122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1730087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865040 + 865041.

It is an arithmetic number, because the mean of its divisors is an integer number (865041).

2^1730081 is an apocalyptic number.

It is an amenable number.

1730081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730081 is an equidigital number, since it uses as much as digits as its factorization.

1730081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1730081 is about 1315.3254350160. The cubic root of 1730081 is about 120.0481519719.

The spelling of 1730081 in words is "one million, seven hundred thirty thousand, eighty-one".