280852538 has 8 divisors (see below), whose sum is σ = 421669632. Its totient is φ = 140295996.

The previous prime is 280852511. The next prime is 280852541. The reversal of 280852538 is 835258082.

280852538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 280852495 and 280852504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62420 + ... + 66767.

It is an arithmetic number, because the mean of its divisors is an integer number (52708704).

Almost surely, 2^280852538 is an apocalyptic number.

280852538 is a deficient number, since it is larger than the sum of its proper divisors (140817094).

280852538 is a wasteful number, since it uses less digits than its factorization.

280852538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130276.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 280852538 is about 16758.6556143385. The cubic root of 280852538 is about 654.8765674603.

The spelling of 280852538 in words is "two hundred eighty million, eight hundred fifty-two thousand, five hundred thirty-eight".