865650241 has 16 divisors (see below), whose sum is σ = 952704000. Its totient is φ = 782887248.

The previous prime is 865650239. The next prime is 865650257. The reversal of 865650241 is 142056568.

It is not a de Polignac number, because 865650241 - 2¹ = 865650239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 865650241.

It is not an unprimeable number, because it can be changed into a prime (865650211) 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 in 15 ways as a sum of consecutive naturals, for example, 260110 + ... + 263416.

It is an arithmetic number, because the mean of its divisors is an integer number (59544000).

Almost surely, 2^865650241 is an apocalyptic number.

It is an amenable number.

865650241 is a deficient number, since it is larger than the sum of its proper divisors (87053759).

865650241 is a wasteful number, since it uses less digits than its factorization.

865650241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 865650241 is about 29421.9346916548. The cubic root of 865650241 is about 953.0466330924.

The spelling of 865650241 in words is "eight hundred sixty-five million, six hundred fifty thousand, two hundred forty-one".