86533 has 2 divisors, whose sum is σ = 86534. Its totient is φ = 86532.

The previous prime is 86531. The next prime is 86539. The reversal of 86533 is 33568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49284 + 37249 = 222^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 86533 - 2¹ = 86531 is a prime.

Together with 86531, it forms a pair of twin primes.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86498 and 86507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43266 + 43267.

It is an arithmetic number, because the mean of its divisors is an integer number (43267).

2⁸⁶⁵³³ is an apocalyptic number.

It is an amenable number.

86533 is a deficient number, since it is larger than the sum of its proper divisors (1).

86533 is an equidigital number, since it uses as much as digits as its factorization.

86533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 86533 is about 294.1649197304. The cubic root of 86533 is about 44.2310504369.

It can be divided in two parts, 865 and 33, that added together give a palindrome (898).

The spelling of 86533 in words is "eighty-six thousand, five hundred thirty-three".