159701 has 2 divisors, whose sum is σ = 159702. Its totient is φ = 159700.

The previous prime is 159697. The next prime is 159707. The reversal of 159701 is 107951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136900 + 22801 = 370^2 + 151^2 .

It is an emirp because it is prime and its reverse (107951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159701 - 2² = 159697 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79850 + 79851.

It is an arithmetic number, because the mean of its divisors is an integer number (79851).

2¹⁵⁹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

159701 is a deficient number, since it is larger than the sum of its proper divisors (1).

159701 is an equidigital number, since it uses as much as digits as its factorization.

159701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 159701 is about 399.6260752253. The cubic root of 159701 is about 54.2545141253.

The spelling of 159701 in words is "one hundred fifty-nine thousand, seven hundred one".