285083 has 4 divisors (see below), whose sum is σ = 288120. Its totient is φ = 282048.

The previous prime is 285079. The next prime is 285091. The reversal of 285083 is 380582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285083 - 2² = 285079 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (285023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (72030).

2²⁸⁵⁰⁸³ is an apocalyptic number.

285083 is a deficient number, since it is larger than the sum of its proper divisors (3037).

285083 is an equidigital number, since it uses as much as digits as its factorization.

285083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 285083 is about 533.9316435650. The cubic root of 285083 is about 65.8148314544.

The spelling of 285083 in words is "two hundred eighty-five thousand, eighty-three".