86573 has 2 divisors, whose sum is σ = 86574.
Its totient is φ = 86572.
The previous prime is 86561. The next prime is 86579. The reversal of 86573 is 37568.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 56644 + 29929 = 238^2 + 173^2
It is a cyclic number.
It is not a de Polignac number, because 86573 - 26 = 86509 is a prime.
It is a plaindrome in base 14.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (86579) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43286 + 43287.
It is an arithmetic number, because the mean of its divisors is an integer number (43287).
286573 is an apocalyptic number.
It is an amenable number.
86573 is a deficient number, since it is larger than the sum of its proper divisors (1).
86573 is an equidigital number, since it uses as much as digits as its factorization.
86573 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5040, while the sum is 29.
The square root of 86573 is about 294.2329009475.
The cubic root of 86573 is about 44.2378646753.
The spelling of 86573 in words is "eighty-six thousand, five hundred seventy-three".