286249 has 2 divisors, whose sum is σ = 286250. Its totient is φ = 286248.

The previous prime is 286243. The next prime is 286289. The reversal of 286249 is 942682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196249 + 90000 = 443^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 286249 - 2¹¹ = 284201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 286249.

It is not a weakly prime, because it can be changed into another prime (286243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143124 + 143125.

It is an arithmetic number, because the mean of its divisors is an integer number (143125).

2²⁸⁶²⁴⁹ is an apocalyptic number.

It is an amenable number.

286249 is a deficient number, since it is larger than the sum of its proper divisors (1).

286249 is an equidigital number, since it uses as much as digits as its factorization.

286249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 286249 is about 535.0224294364. The cubic root of 286249 is about 65.9044377647.

It can be divided in two parts, 286 and 249, that added together give a palindrome (535).

The spelling of 286249 in words is "two hundred eighty-six thousand, two hundred forty-nine".