159530081 has 2 divisors, whose sum is σ = 159530082. Its totient is φ = 159530080.

The previous prime is 159530069. The next prime is 159530089. The reversal of 159530081 is 180035951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82810000 + 76720081 = 9100^2 + 8759^2 .

It is a cyclic number.

It is not a de Polignac number, because 159530081 - 2¹⁰ = 159529057 is a prime.

It is a super-2 number, since 2×159530081² = 50899693487733122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159530089) 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, 79765040 + 79765041.

It is an arithmetic number, because the mean of its divisors is an integer number (79765041).

Almost surely, 2^159530081 is an apocalyptic number.

It is an amenable number.

159530081 is a deficient number, since it is larger than the sum of its proper divisors (1).

159530081 is an equidigital number, since it uses as much as digits as its factorization.

159530081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 159530081 is about 12630.5218023643. The cubic root of 159530081 is about 542.3515203104.

The spelling of 159530081 in words is "one hundred fifty-nine million, five hundred thirty thousand, eighty-one".