86315013 has 6 divisors (see below), whose sum is σ = 124677254. Its totient is φ = 57543336.

The previous prime is 86315003. The next prime is 86315017. The reversal of 86315013 is 31051368.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 13417569 = 8538^2 + 3663^2 .

It is not a de Polignac number, because 86315013 - 2¹⁰ = 86313989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86315017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4795270 + ... + 4795287.

Almost surely, 2^86315013 is an apocalyptic number.

It is an amenable number.

86315013 is a deficient number, since it is larger than the sum of its proper divisors (38362241).

86315013 is a wasteful number, since it uses less digits than its factorization.

86315013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9590563 (or 9590560 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 86315013 is about 9290.5873334252. The cubic root of 86315013 is about 441.9387809946.

It can be divided in two parts, 863 and 15013, that added together give a square (15876 = 126²).

The spelling of 86315013 in words is "eighty-six million, three hundred fifteen thousand, thirteen".