86249 has 2 divisors, whose sum is σ = 86250. Its totient is φ = 86248.

The previous prime is 86243. The next prime is 86257. The reversal of 86249 is 94268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85849 + 400 = 293^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 86249 - 2¹² = 82153 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 8 + 6⁶ + 2¹⁵ + 4⁴ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (86243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43124 + 43125.

It is an arithmetic number, because the mean of its divisors is an integer number (43125).

2⁸⁶²⁴⁹ is an apocalyptic number.

It is an amenable number.

86249 is a deficient number, since it is larger than the sum of its proper divisors (1).

86249 is an equidigital number, since it uses as much as digits as its factorization.

86249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 86249 is about 293.6818005938. The cubic root of 86249 is about 44.1826088567.

The spelling of 86249 in words is "eighty-six thousand, two hundred forty-nine".