159629 has 2 divisors, whose sum is σ = 159630. Its totient is φ = 159628.

The previous prime is 159623. The next prime is 159631. The reversal of 159629 is 926951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 1225 = 398^2 + 35^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159629 is a prime.

It is a Sophie Germain prime.

Together with 159631, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 159595 and 159604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79814 + 79815.

It is an arithmetic number, because the mean of its divisors is an integer number (79815).

2¹⁵⁹⁶²⁹ is an apocalyptic number.

It is an amenable number.

159629 is a deficient number, since it is larger than the sum of its proper divisors (1).

159629 is an equidigital number, since it uses as much as digits as its factorization.

159629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 159629 is about 399.5359808578. The cubic root of 159629 is about 54.2463594859.

The spelling of 159629 in words is "one hundred fifty-nine thousand, six hundred twenty-nine".