159043613 has 2 divisors, whose sum is σ = 159043614. Its totient is φ = 159043612.

The previous prime is 159043607. The next prime is 159043631. The reversal of 159043613 is 316340951.

159043613 = 8917² + 8918².

159043613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (159043631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79530724 + 79512889 = 8918^2 + 8917^2 .

It is a cyclic number.

It is not a de Polignac number, because 159043613 - 2¹⁴ = 159027229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159043613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159043603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79521806 + 79521807.

It is an arithmetic number, because the mean of its divisors is an integer number (79521807).

Almost surely, 2^159043613 is an apocalyptic number.

159043613 is the 8918-th centered square number.

It is an amenable number.

159043613 is a deficient number, since it is larger than the sum of its proper divisors (1).

159043613 is an equidigital number, since it uses as much as digits as its factorization.

159043613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 159043613 is about 12611.2494622856. The cubic root of 159043613 is about 541.7996801967.

The spelling of 159043613 in words is "one hundred fifty-nine million, forty-three thousand, six hundred thirteen".