281052 has 36 divisors (see below), whose sum is σ = 733096. Its totient is φ = 90720.

The previous prime is 281033. The next prime is 281053. The reversal of 281052 is 250182.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281052.

It is not an unprimeable number, because it can be changed into a prime (281053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1227 + ... + 1437.

2²⁸¹⁰⁵² 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 281052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366548).

281052 is an abundant number, since it is smaller than the sum of its proper divisors (452044).

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

281052 is a wasteful number, since it uses less digits than its factorization.

281052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 281052 is about 530.1433768331. The cubic root of 281052 is about 65.5031562296.

The spelling of 281052 in words is "two hundred eighty-one thousand, fifty-two".