280552 has 8 divisors (see below), whose sum is σ = 526050. Its totient is φ = 140272.

The previous prime is 280549. The next prime is 280561. The reversal of 280552 is 255082.

It can be written as a sum of positive squares in only one way, i.e., 155236 + 125316 = 394^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17527 + ... + 17542.

2²⁸⁰⁵⁵² is an apocalyptic number.

It is an amenable number.

280552 is a deficient number, since it is larger than the sum of its proper divisors (245498).

280552 is a wasteful number, since it uses less digits than its factorization.

280552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35075 (or 35071 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 280552 is about 529.6715963689. The cubic root of 280552 is about 65.4642891406.

The spelling of 280552 in words is "two hundred eighty thousand, five hundred fifty-two".