159730001 has 2 divisors, whose sum is σ = 159730002. Its totient is φ = 159730000.

The previous prime is 159729967. The next prime is 159730007. The reversal of 159730001 is 100037951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154977601 + 4752400 = 12449^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 159730001 - 2¹⁰ = 159728977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (159730007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79865000 + 79865001.

It is an arithmetic number, because the mean of its divisors is an integer number (79865001).

Almost surely, 2^159730001 is an apocalyptic number.

It is an amenable number.

159730001 is a deficient number, since it is larger than the sum of its proper divisors (1).

159730001 is an equidigital number, since it uses as much as digits as its factorization.

159730001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 159730001 is about 12638.4334867894. The cubic root of 159730001 is about 542.5779805364.

Adding to 159730001 its reverse (100037951), we get a palindrome (259767952).

The spelling of 159730001 in words is "one hundred fifty-nine million, seven hundred thirty thousand, one".