281359 has 8 divisors (see below), whose sum is σ = 316512. Its totient is φ = 248160.

The previous prime is 281357. The next prime is 281363. The reversal of 281359 is 953182.

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

It is a cyclic number.

It is not a de Polignac number, because 281359 - 2¹ = 281357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 769.

It is an arithmetic number, because the mean of its divisors is an integer number (39564).

2²⁸¹³⁵⁹ is an apocalyptic number.

281359 is a deficient number, since it is larger than the sum of its proper divisors (35153).

281359 is a wasteful number, since it uses less digits than its factorization.

281359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977.

The product of its digits is 2160, while the sum is 28.

The square root of 281359 is about 530.4328421205. The cubic root of 281359 is about 65.5269977861.

The spelling of 281359 in words is "two hundred eighty-one thousand, three hundred fifty-nine".