865074241 has 2 divisors, whose sum is σ = 865074242. Its totient is φ = 865074240.

The previous prime is 865074209. The next prime is 865074281. The reversal of 865074241 is 142470568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680114241 + 184960000 = 26079^2 + 13600^2 .

It is a cyclic number.

It is not a de Polignac number, because 865074241 - 2⁵ = 865074209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 865074241.

It is not a weakly prime, because it can be changed into another prime (865074281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432537120 + 432537121.

It is an arithmetic number, because the mean of its divisors is an integer number (432537121).

Almost surely, 2^865074241 is an apocalyptic number.

It is an amenable number.

865074241 is a deficient number, since it is larger than the sum of its proper divisors (1).

865074241 is an equidigital number, since it uses as much as digits as its factorization.

865074241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 865074241 is about 29412.1444474897. The cubic root of 865074241 is about 952.8352017940.

The spelling of 865074241 in words is "eight hundred sixty-five million, seventy-four thousand, two hundred forty-one".