281352 has 32 divisors (see below), whose sum is σ = 741600. Its totient is φ = 88704.

The previous prime is 281339. The next prime is 281353. The reversal of 281352 is 253182.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281352.

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

281352 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 764.

It is an arithmetic number, because the mean of its divisors is an integer number (23175).

2²⁸¹³⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370800).

281352 is an abundant number, since it is smaller than the sum of its proper divisors (460248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281352 is a wasteful number, since it uses less digits than its factorization.

281352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 641 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 281352 is about 530.4262436946. The cubic root of 281352 is about 65.5264543608.

The spelling of 281352 in words is "two hundred eighty-one thousand, three hundred fifty-two".