286613 has 2 divisors, whose sum is σ = 286614. Its totient is φ = 286612.

The previous prime is 286609. The next prime is 286619. The reversal of 286613 is 316682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232324 + 54289 = 482^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 286613 - 2² = 286609 is a prime.

It is equal to p₂₄₉₆₅ and since 286613 and 24965 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143306 + 143307.

It is an arithmetic number, because the mean of its divisors is an integer number (143307).

2²⁸⁶⁶¹³ is an apocalyptic number.

It is an amenable number.

286613 is a deficient number, since it is larger than the sum of its proper divisors (1).

286613 is an equidigital number, since it uses as much as digits as its factorization.

286613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 286613 is about 535.3624940169. The cubic root of 286613 is about 65.9323610694.

The spelling of 286613 in words is "two hundred eighty-six thousand, six hundred thirteen".