85489241 has 2 divisors, whose sum is σ = 85489242. Its totient is φ = 85489240.

The previous prime is 85489237. The next prime is 85489247. The reversal of 85489241 is 14298458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 462400 = 9221^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 85489241 - 2² = 85489237 is a prime.

It is not a weakly prime, because it can be changed into another prime (85489247) 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, 42744620 + 42744621.

It is an arithmetic number, because the mean of its divisors is an integer number (42744621).

Almost surely, 2^85489241 is an apocalyptic number.

It is an amenable number.

85489241 is a deficient number, since it is larger than the sum of its proper divisors (1).

85489241 is an equidigital number, since it uses as much as digits as its factorization.

85489241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The square root of 85489241 is about 9246.0392060601. The cubic root of 85489241 is about 440.5249261926.

The spelling of 85489241 in words is "eighty-five million, four hundred eighty-nine thousand, two hundred forty-one".