159256241 has 2 divisors, whose sum is σ = 159256242. Its totient is φ = 159256240.

The previous prime is 159256193. The next prime is 159256277. The reversal of 159256241 is 142652951.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133287025 + 25969216 = 11545^2 + 5096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159256241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159256291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79628120 + 79628121.

It is an arithmetic number, because the mean of its divisors is an integer number (79628121).

Almost surely, 2^159256241 is an apocalyptic number.

It is an amenable number.

159256241 is a deficient number, since it is larger than the sum of its proper divisors (1).

159256241 is an equidigital number, since it uses as much as digits as its factorization.

159256241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 159256241 is about 12619.6767391245. The cubic root of 159256241 is about 542.0410196212.

The spelling of 159256241 in words is "one hundred fifty-nine million, two hundred fifty-six thousand, two hundred forty-one".