285079 has 2 divisors, whose sum is σ = 285080. Its totient is φ = 285078.

The previous prime is 285071. The next prime is 285091. The reversal of 285079 is 970582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285079 - 2³ = 285071 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142539 + 142540.

It is an arithmetic number, because the mean of its divisors is an integer number (142540).

2²⁸⁵⁰⁷⁹ is an apocalyptic number.

285079 is a deficient number, since it is larger than the sum of its proper divisors (1).

285079 is an equidigital number, since it uses as much as digits as its factorization.

285079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 285079 is about 533.9278977540. The cubic root of 285079 is about 65.8145236369.

The spelling of 285079 in words is "two hundred eighty-five thousand, seventy-nine".