280258 has 8 divisors (see below), whose sum is σ = 458640. Its totient is φ = 127380.

The previous prime is 280253. The next prime is 280277. The reversal of 280258 is 852082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (280253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2²⁸⁰²⁵⁸ is an apocalyptic number.

280258 is a deficient number, since it is larger than the sum of its proper divisors (178382).

280258 is a wasteful number, since it uses less digits than its factorization.

280258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 280258 is about 529.3939931658. The cubic root of 280258 is about 65.4414137283.

The spelling of 280258 in words is "two hundred eighty thousand, two hundred fifty-eight".