865011245 has 32 divisors (see below), whose sum is σ = 1199480832. Its totient is φ = 586605312.

The previous prime is 865011229. The next prime is 865011269. The reversal of 865011245 is 542110568.

865011245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 865011245 - 2⁴ = 865011229 is a prime.

It is a Duffinian number.

865011245 is a modest number, since divided by 11245 gives 865 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2258324 + ... + 2258706.

It is an arithmetic number, because the mean of its divisors is an integer number (37483776).

Almost surely, 2^865011245 is an apocalyptic number.

It is an amenable number.

865011245 is a deficient number, since it is larger than the sum of its proper divisors (334469587).

865011245 is a wasteful number, since it uses less digits than its factorization.

865011245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 865011245 is about 29411.0735098194. The cubic root of 865011245 is about 952.8120722711.

The spelling of 865011245 in words is "eight hundred sixty-five million, eleven thousand, two hundred forty-five".