273285 has 12 divisors (see below), whose sum is σ = 473772. Its totient is φ = 145728.

The previous prime is 273283. The next prime is 273289. The reversal of 273285 is 582372.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 91809 = 426^2 + 303^2 .

It is not a de Polignac number, because 273285 - 2¹ = 273283 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2⁴ + 7³ + 2¹⁸ + 3⁸ + 8⁴ + 5³ .

273285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2992 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (39481).

2²⁷³²⁸⁵ is an apocalyptic number.

It is an amenable number.

273285 is a deficient number, since it is larger than the sum of its proper divisors (200487).

273285 is a wasteful number, since it uses less digits than its factorization.

273285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084 (or 6081 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 273285 is about 522.7666783566. The cubic root of 273285 is about 64.8941076620.

The spelling of 273285 in words is "two hundred seventy-three thousand, two hundred eighty-five".