159340817 has 2 divisors, whose sum is σ = 159340818. Its totient is φ = 159340816.

The previous prime is 159340799. The next prime is 159340861. The reversal of 159340817 is 718043951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155650576 + 3690241 = 12476^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 159340817 - 2⁸ = 159340561 is a prime.

It is not a weakly prime, because it can be changed into another prime (159340417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79670408 + 79670409.

It is an arithmetic number, because the mean of its divisors is an integer number (79670409).

Almost surely, 2^159340817 is an apocalyptic number.

It is an amenable number.

159340817 is a deficient number, since it is larger than the sum of its proper divisors (1).

159340817 is an equidigital number, since it uses as much as digits as its factorization.

159340817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 159340817 is about 12623.0272518125. The cubic root of 159340817 is about 542.1369563079.

The spelling of 159340817 in words is "one hundred fifty-nine million, three hundred forty thousand, eight hundred seventeen".