159027257 has 2 divisors, whose sum is σ = 159027258. Its totient is φ = 159027256.

The previous prime is 159027229. The next prime is 159027289. The reversal of 159027257 is 752720951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 45306361 = 10664^2 + 6731^2 .

It is a cyclic number.

It is not a de Polignac number, because 159027257 - 2¹⁰ = 159026233 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 159027257.

It is not a weakly prime, because it can be changed into another prime (159027217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79513628 + 79513629.

It is an arithmetic number, because the mean of its divisors is an integer number (79513629).

Almost surely, 2^159027257 is an apocalyptic number.

It is an amenable number.

159027257 is a deficient number, since it is larger than the sum of its proper divisors (1).

159027257 is an equidigital number, since it uses as much as digits as its factorization.

159027257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 159027257 is about 12610.6009769559. The cubic root of 159027257 is about 541.7811067182.

The spelling of 159027257 in words is "one hundred fifty-nine million, twenty-seven thousand, two hundred fifty-seven".