159234961 has 2 divisors, whose sum is σ = 159234962. Its totient is φ = 159234960.

The previous prime is 159234893. The next prime is 159234997. The reversal of 159234961 is 169432951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155775361 + 3459600 = 12481^2 + 1860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159234961 is a prime.

It is not a weakly prime, because it can be changed into another prime (159234161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79617480 + 79617481.

It is an arithmetic number, because the mean of its divisors is an integer number (79617481).

Almost surely, 2^159234961 is an apocalyptic number.

It is an amenable number.

159234961 is a deficient number, since it is larger than the sum of its proper divisors (1).

159234961 is an equidigital number, since it uses as much as digits as its factorization.

159234961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 159234961 is about 12618.8335831803. The cubic root of 159234961 is about 542.0168758333.

The spelling of 159234961 in words is "one hundred fifty-nine million, two hundred thirty-four thousand, nine hundred sixty-one".