159259409 has 2 divisors, whose sum is σ = 159259410. Its totient is φ = 159259408.

The previous prime is 159259403. The next prime is 159259427. The reversal of 159259409 is 904952951.

159259409 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 can be written as a sum of positive squares in only one way, i.e., 157377025 + 1882384 = 12545^2 + 1372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159259409 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159259409.

It is not a weakly prime, because it can be changed into another prime (159259403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79629704 + 79629705.

It is an arithmetic number, because the mean of its divisors is an integer number (79629705).

Almost surely, 2^159259409 is an apocalyptic number.

It is an amenable number.

159259409 is a deficient number, since it is larger than the sum of its proper divisors (1).

159259409 is an equidigital number, since it uses as much as digits as its factorization.

159259409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 159259409 is about 12619.8022567709. The cubic root of 159259409 is about 542.0446137756.

The spelling of 159259409 in words is "one hundred fifty-nine million, two hundred fifty-nine thousand, four hundred nine".