159565951 has 2 divisors, whose sum is σ = 159565952. Its totient is φ = 159565950.

The previous prime is 159565949. The next prime is 159565963.

159565951 is nontrivially palindromic in base 10.

159565951 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 is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 159565951 - 2¹ = 159565949 is a prime.

It is a super-2 number, since 2×159565951² = 50922585437068802, which contains 22 as substring.

Together with 159565949, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159565921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79782975 + 79782976.

It is an arithmetic number, because the mean of its divisors is an integer number (79782976).

Almost surely, 2^159565951 is an apocalyptic number.

159565951 is a deficient number, since it is larger than the sum of its proper divisors (1).

159565951 is an equidigital number, since it uses as much as digits as its factorization.

159565951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 303750, while the sum is 46.

The square root of 159565951 is about 12631.9416955589. The cubic root of 159565951 is about 542.3921661268.

The spelling of 159565951 in words is "one hundred fifty-nine million, five hundred sixty-five thousand, nine hundred fifty-one".