159073009 has 2 divisors, whose sum is σ = 159073010. Its totient is φ = 159073008.

The previous prime is 159073003. The next prime is 159073021. The reversal of 159073009 is 900370951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126067984 + 33005025 = 11228^2 + 5745^2 .

It is a cyclic number.

It is not a de Polignac number, because 159073009 - 2³ = 159073001 is a prime.

It is not a weakly prime, because it can be changed into another prime (159073001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79536504 + 79536505.

It is an arithmetic number, because the mean of its divisors is an integer number (79536505).

Almost surely, 2^159073009 is an apocalyptic number.

It is an amenable number.

159073009 is a deficient number, since it is larger than the sum of its proper divisors (1).

159073009 is an equidigital number, since it uses as much as digits as its factorization.

159073009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 159073009 is about 12612.4148758277. The cubic root of 159073009 is about 541.8330583834.

The spelling of 159073009 in words is "one hundred fifty-nine million, seventy-three thousand, nine".