288539 has 2 divisors, whose sum is σ = 288540. Its totient is φ = 288538.

The previous prime is 288529. The next prime is 288551. The reversal of 288539 is 935882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 288539 - 2⁸ = 288283 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 8⁴ + 5⁶ + 8⁶ + 3⁸ + 9² .

It is a junction number, because it is equal to n+sod(n) for n = 288499 and 288508.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288539.

It is not a weakly prime, because it can be changed into another prime (288529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144269 + 144270.

It is an arithmetic number, because the mean of its divisors is an integer number (144270).

2²⁸⁸⁵³⁹ is an apocalyptic number.

288539 is a deficient number, since it is larger than the sum of its proper divisors (1).

288539 is an equidigital number, since it uses as much as digits as its factorization.

288539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 288539 is about 537.1582634569. The cubic root of 288539 is about 66.0797169608.

The spelling of 288539 in words is "two hundred eighty-eight thousand, five hundred thirty-nine".