159412531 has 2 divisors, whose sum is σ = 159412532. Its totient is φ = 159412530.

The previous prime is 159412529. The next prime is 159412541. The reversal of 159412531 is 135214951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159412531 - 2¹ = 159412529 is a prime.

It is a super-2 number, since 2×159412531² = 50824710079651922, which contains 22 as substring.

Together with 159412529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 159412493 and 159412502.

It is not a weakly prime, because it can be changed into another prime (159412541) 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, 79706265 + 79706266.

It is an arithmetic number, because the mean of its divisors is an integer number (79706266).

Almost surely, 2^159412531 is an apocalyptic number.

159412531 is a deficient number, since it is larger than the sum of its proper divisors (1).

159412531 is an equidigital number, since it uses as much as digits as its factorization.

159412531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 159412531 is about 12625.8675345499. The cubic root of 159412531 is about 542.2182767111.

The spelling of 159412531 in words is "one hundred fifty-nine million, four hundred twelve thousand, five hundred thirty-one".