86537313 has 6 divisors (see below), whose sum is σ = 124998354. Its totient is φ = 57691536.

The previous prime is 86537303. The next prime is 86537323. The reversal of 86537313 is 31373568.

It is an interprime number because it is at equal distance from previous prime (86537303) and next prime (86537323).

It can be written as a sum of positive squares in only one way, i.e., 56430144 + 30107169 = 7512^2 + 5487^2 .

It is not a de Polignac number, because 86537313 - 2⁶ = 86537249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86537303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4807620 + ... + 4807637.

It is an arithmetic number, because the mean of its divisors is an integer number (20833059).

Almost surely, 2^86537313 is an apocalyptic number.

It is an amenable number.

86537313 is a deficient number, since it is larger than the sum of its proper divisors (38461041).

86537313 is a wasteful number, since it uses less digits than its factorization.

86537313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615263 (or 9615260 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 86537313 is about 9302.5433618984. The cubic root of 86537313 is about 442.3178528312.

The spelling of 86537313 in words is "eighty-six million, five hundred thirty-seven thousand, three hundred thirteen".