281252 has 6 divisors (see below), whose sum is σ = 492198. Its totient is φ = 140624.

The previous prime is 281251. The next prime is 281273. The reversal of 281252 is 252182.

281252 = T₃₇₃ + T₃₇₄ + ... + T₃₇₆.

It can be written as a sum of positive squares in only one way, i.e., 141376 + 139876 = 376^2 + 374^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281252.

It is not an unprimeable number, because it can be changed into a prime (281251) by changing a digit.

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, 35153 + ... + 35160.

It is an arithmetic number, because the mean of its divisors is an integer number (82033).

2²⁸¹²⁵² is an apocalyptic number.

It is an amenable number.

281252 is a deficient number, since it is larger than the sum of its proper divisors (210946).

281252 is a wasteful number, since it uses less digits than its factorization.

281252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70317 (or 70315 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 281252 is about 530.3319715046. The cubic root of 281252 is about 65.5186901580.

The spelling of 281252 in words is "two hundred eighty-one thousand, two hundred fifty-two".