865468051 has 4 divisors (see below), whose sum is σ = 989106352. Its totient is φ = 741829752.

The previous prime is 865468049. The next prime is 865468063. The reversal of 865468051 is 150864568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 865468051 - 2¹ = 865468049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 865467989 and 865468007.

It is not an unprimeable number, because it can be changed into a prime (865468001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61819140 + ... + 61819153.

It is an arithmetic number, because the mean of its divisors is an integer number (247276588).

Almost surely, 2^865468051 is an apocalyptic number.

865468051 is a deficient number, since it is larger than the sum of its proper divisors (123638301).

865468051 is a wasteful number, since it uses less digits than its factorization.

865468051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123638300.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 865468051 is about 29418.8383693170. The cubic root of 865468051 is about 952.9797670762.

The spelling of 865468051 in words is "eight hundred sixty-five million, four hundred sixty-eight thousand, fifty-one".