86551273 has 2 divisors, whose sum is σ = 86551274. Its totient is φ = 86551272.

The previous prime is 86551271. The next prime is 86551291. The reversal of 86551273 is 37215568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 38775529 = 6912^2 + 6227^2 .

It is a cyclic number.

It is not a de Polignac number, because 86551273 - 2¹ = 86551271 is a prime.

It is a super-2 number, since 2×86551273² = 14982245715841058, which contains 22 as substring.

Together with 86551271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86551271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43275636 + 43275637.

It is an arithmetic number, because the mean of its divisors is an integer number (43275637).

Almost surely, 2^86551273 is an apocalyptic number.

It is an amenable number.

86551273 is a deficient number, since it is larger than the sum of its proper divisors (1).

86551273 is an equidigital number, since it uses as much as digits as its factorization.

86551273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 86551273 is about 9303.2936640740. The cubic root of 86551273 is about 442.3416361181.

The spelling of 86551273 in words is "eighty-six million, five hundred fifty-one thousand, two hundred seventy-three".