85159241 has 2 divisors, whose sum is σ = 85159242. Its totient is φ = 85159240.

The previous prime is 85159229. The next prime is 85159297. The reversal of 85159241 is 14295158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73599241 + 11560000 = 8579^2 + 3400^2 .

It is a cyclic number.

It is not a de Polignac number, because 85159241 - 2⁶ = 85159177 is a prime.

It is not a weakly prime, because it can be changed into another prime (85159741) 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, 42579620 + 42579621.

It is an arithmetic number, because the mean of its divisors is an integer number (42579621).

Almost surely, 2^85159241 is an apocalyptic number.

It is an amenable number.

85159241 is a deficient number, since it is larger than the sum of its proper divisors (1).

85159241 is an equidigital number, since it uses as much as digits as its factorization.

85159241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 35.

The square root of 85159241 is about 9228.1764720881. The cubic root of 85159241 is about 439.9573667370.

The spelling of 85159241 in words is "eighty-five million, one hundred fifty-nine thousand, two hundred forty-one".