861301113 has 4 divisors (see below), whose sum is σ = 1148401488. Its totient is φ = 574200740.

The previous prime is 861301109. The next prime is 861301159. The reversal of 861301113 is 311103168.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 861301113 - 2² = 861301109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (861301183) 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 in 3 ways as a sum of consecutive naturals, for example, 143550183 + ... + 143550188.

It is an arithmetic number, because the mean of its divisors is an integer number (287100372).

Almost surely, 2^861301113 is an apocalyptic number.

It is an amenable number.

861301113 is a deficient number, since it is larger than the sum of its proper divisors (287100375).

861301113 is a wasteful number, since it uses less digits than its factorization.

861301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287100374.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 861301113 is about 29347.9320055093. The cubic root of 861301113 is about 951.4478800916.

The spelling of 861301113 in words is "eight hundred sixty-one million, three hundred one thousand, one hundred thirteen".