280271 has 4 divisors (see below), whose sum is σ = 289344. Its totient is φ = 271200.

The previous prime is 280253. The next prime is 280277. The reversal of 280271 is 172082.

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 280271 - 2⁶ = 280207 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280277) 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, 4490 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (72336).

2²⁸⁰²⁷¹ is an apocalyptic number.

280271 is a deficient number, since it is larger than the sum of its proper divisors (9073).

280271 is an equidigital number, since it uses as much as digits as its factorization.

280271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 280271 is about 529.4062712133. The cubic root of 280271 is about 65.4424255641.

The spelling of 280271 in words is "two hundred eighty thousand, two hundred seventy-one".