861300065 has 8 divisors (see below), whose sum is σ = 1036684608. Its totient is φ = 686957040.

The previous prime is 861300061. The next prime is 861300073. The reversal of 861300065 is 560003168.

861300065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 861300065 - 2² = 861300061 is a prime.

It is a super-3 number, since 3×861300065³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (861300061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258557 + ... + 261866.

It is an arithmetic number, because the mean of its divisors is an integer number (129585576).

Almost surely, 2^861300065 is an apocalyptic number.

It is an amenable number.

861300065 is a deficient number, since it is larger than the sum of its proper divisors (175384543).

861300065 is a wasteful number, since it uses less digits than its factorization.

861300065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520759.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 861300065 is about 29347.9141507535. The cubic root of 861300065 is about 951.4474941957.

The spelling of 861300065 in words is "eight hundred sixty-one million, three hundred thousand, sixty-five".