276085 has 4 divisors (see below), whose sum is σ = 331308. Its totient is φ = 220864.

The previous prime is 276083. The next prime is 276091. The reversal of 276085 is 580672.

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 142129 + 133956 = 377^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 276085 - 2¹ = 276083 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276083) 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, 27604 + ... + 27613.

It is an arithmetic number, because the mean of its divisors is an integer number (82827).

2²⁷⁶⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

276085 is a deficient number, since it is larger than the sum of its proper divisors (55223).

276085 is an equidigital number, since it uses as much as digits as its factorization.

276085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55222.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 276085 is about 525.4379126024. The cubic root of 276085 is about 65.1149838524.

The spelling of 276085 in words is "two hundred seventy-six thousand, eighty-five".