1730400241 has 2 divisors, whose sum is σ = 1730400242. Its totient is φ = 1730400240.

The previous prime is 1730400227. The next prime is 1730400247. The reversal of 1730400241 is 1420040371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896403600 + 833996641 = 29940^2 + 28879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730400241 - 2⁵ = 1730400209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1730400247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865200120 + 865200121.

It is an arithmetic number, because the mean of its divisors is an integer number (865200121).

Almost surely, 2^1730400241 is an apocalyptic number.

It is an amenable number.

1730400241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730400241 is an equidigital number, since it uses as much as digits as its factorization.

1730400241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1730400241 is about 41598.0797753935. The cubic root of 1730400241 is about 1200.5553542876. Note that the first 3 decimals are identical.

The spelling of 1730400241 in words is "one billion, seven hundred thirty million, four hundred thousand, two hundred forty-one".