281272 has 8 divisors (see below), whose sum is σ = 527400. Its totient is φ = 140632.

The previous prime is 281251. The next prime is 281273. The reversal of 281272 is 272182.

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

It is a super-2 number, since 2×281272² = 158227875968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁴ + 8⁶ + 2⁸ + 1 + 7⁵ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17572 + ... + 17587.

It is an arithmetic number, because the mean of its divisors is an integer number (65925).

2²⁸¹²⁷² is an apocalyptic number.

It is an amenable number.

281272 is a deficient number, since it is larger than the sum of its proper divisors (246128).

281272 is a wasteful number, since it uses less digits than its factorization.

281272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35165 (or 35161 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 281272 is about 530.3508272832. The cubic root of 281272 is about 65.5202431458.

The spelling of 281272 in words is "two hundred eighty-one thousand, two hundred seventy-two".