281032 has 8 divisors (see below), whose sum is σ = 526950. Its totient is φ = 140512.

The previous prime is 281023. The next prime is 281033. The reversal of 281032 is 230182.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 276676 + 4356 = 526^2 + 66^2 .

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

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 280997 and 281015.

It is not an unprimeable number, because it can be changed into a prime (281033) by changing a digit.

281032 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 17557 + ... + 17572.

2²⁸¹⁰³² is an apocalyptic number.

It is an amenable number.

281032 is a deficient number, since it is larger than the sum of its proper divisors (245918).

281032 is a wasteful number, since it uses less digits than its factorization.

281032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35135 (or 35131 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 281032 is about 530.1245136758. The cubic root of 281032 is about 65.5016024315.

The spelling of 281032 in words is "two hundred eighty-one thousand, thirty-two".