873281 has 4 divisors (see below), whose sum is σ = 889812. Its totient is φ = 856752.

The previous prime is 873263. The next prime is 873293. The reversal of 873281 is 182378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 410881 = 680^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 873281 - 2¹⁰ = 872257 is a prime.

It is a super-2 number, since 2×873281² = 1525239409922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8186 + ... + 8291.

It is an arithmetic number, because the mean of its divisors is an integer number (222453).

2⁸⁷³²⁸¹ is an apocalyptic number.

It is an amenable number.

873281 is a deficient number, since it is larger than the sum of its proper divisors (16531).

873281 is a wasteful number, since it uses less digits than its factorization.

873281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16530.

The product of its digits is 2688, while the sum is 29.

The square root of 873281 is about 934.4950508162. The cubic root of 873281 is about 95.5838832445.

The spelling of 873281 in words is "eight hundred seventy-three thousand, two hundred eighty-one".