280341 has 10 divisors (see below), whose sum is σ = 418902. Its totient is φ = 186840.

The previous prime is 280339. The next prime is 280351. The reversal of 280341 is 143082.

It is a happy number.

280341 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 202500 + 77841 = 450^2 + 279^2 .

It is not a de Polignac number, because 280341 - 2¹ = 280339 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 280341.

It is not an unprimeable number, because it can be changed into a prime (280321) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1650 + ... + 1811.

2²⁸⁰³⁴¹ is an apocalyptic number.

It is an amenable number.

280341 is a deficient number, since it is larger than the sum of its proper divisors (138561).

280341 is an equidigital number, since it uses as much as digits as its factorization.

280341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473 (or 3464 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 280341 is about 529.4723788830. The cubic root of 280341 is about 65.4478733729.

The spelling of 280341 in words is "two hundred eighty thousand, three hundred forty-one".