16285 has 4 divisors (see below), whose sum is σ = 19548. Its totient is φ = 13024.

The previous prime is 16273. The next prime is 16301. The reversal of 16285 is 58261.

16285 = T₅₂ + T₅₃ + ... + T₆₁.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10201 + 6084 = 101^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 16285 - 2⁵ = 16253 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1624 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (4887).

2¹⁶²⁸⁵ is an apocalyptic number.

It is an amenable number.

16285 is a deficient number, since it is larger than the sum of its proper divisors (3263).

16285 is an equidigital number, since it uses as much as digits as its factorization.

16285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262.

The product of its digits is 480, while the sum is 22.

The square root of 16285 is about 127.6126952932. The cubic root of 16285 is about 25.3471569676.

It can be divided in two parts, 16 and 285, that multiplied together give a triangular number (4560 = T₉₅).

The spelling of 16285 in words is "sixteen thousand, two hundred eighty-five".