159316481 has 2 divisors, whose sum is σ = 159316482. Its totient is φ = 159316480.

The previous prime is 159316457. The next prime is 159316483. The reversal of 159316481 is 184613951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136515856 + 22800625 = 11684^2 + 4775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159316481 is a prime.

It is a super-2 number, since 2×159316481² = 50763482236446722, which contains 22 as substring.

Together with 159316483, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_8938235 and since 159316481 and 8938235 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (159316483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79658240 + 79658241.

It is an arithmetic number, because the mean of its divisors is an integer number (79658241).

Almost surely, 2^159316481 is an apocalyptic number.

It is an amenable number.

159316481 is a deficient number, since it is larger than the sum of its proper divisors (1).

159316481 is an equidigital number, since it uses as much as digits as its factorization.

159316481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 159316481 is about 12622.0632623989. The cubic root of 159316481 is about 542.1093548497.

The spelling of 159316481 in words is "one hundred fifty-nine million, three hundred sixteen thousand, four hundred eighty-one".