159702481 has 2 divisors, whose sum is σ = 159702482. Its totient is φ = 159702480.

The previous prime is 159702479. The next prime is 159702511. The reversal of 159702481 is 184207951.

159702481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139452481 + 20250000 = 11809^2 + 4500^2 .

It is an emirp because it is prime and its reverse (184207951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159702481 - 2¹ = 159702479 is a prime.

It is a super-2 number, since 2×159702481² = 51009764875110722, which contains 22 as substring.

Together with 159702479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 159702481.

It is not a weakly prime, because it can be changed into another prime (159702461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79851240 + 79851241.

It is an arithmetic number, because the mean of its divisors is an integer number (79851241).

Almost surely, 2^159702481 is an apocalyptic number.

It is an amenable number.

159702481 is a deficient number, since it is larger than the sum of its proper divisors (1).

159702481 is an equidigital number, since it uses as much as digits as its factorization.

159702481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 159702481 is about 12637.3446973642. The cubic root of 159702481 is about 542.5468183595.

The spelling of 159702481 in words is "one hundred fifty-nine million, seven hundred two thousand, four hundred eighty-one".