280052 has 12 divisors (see below), whose sum is σ = 499716. Its totient is φ = 137280.

The previous prime is 280037. The next prime is 280061. The reversal of 280052 is 250082.

It is a happy number.

280052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 234256 + 45796 = 484^2 + 214^2 .

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 280052.

It is a congruent number.

It is an unprimeable number.

280052 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (41643).

2²⁸⁰⁰⁵² is an apocalyptic number.

It is an amenable number.

280052 is a deficient number, since it is larger than the sum of its proper divisors (219664).

280052 is a wasteful number, since it uses less digits than its factorization.

280052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 280052 is about 529.1993953133. The cubic root of 280052 is about 65.4253758447.

The spelling of 280052 in words is "two hundred eighty thousand, fifty-two".