270281 has 4 divisors (see below), whose sum is σ = 294864. Its totient is φ = 245700.

The previous prime is 270271. The next prime is 270287. The reversal of 270281 is 182072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 270281 - 2⁶ = 270217 is a prime.

It is a super-2 number, since 2×270281² = 146103637922, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 270281.

It is not an unprimeable number, because it can be changed into a prime (270287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12275 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (73716).

2²⁷⁰²⁸¹ is an apocalyptic number.

270281 is the 233-rd centered decagonal number.

It is an amenable number.

270281 is a deficient number, since it is larger than the sum of its proper divisors (24583).

270281 is a wasteful number, since it uses less digits than its factorization.

270281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24582.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 270281 is about 519.8855643312. The cubic root of 270281 is about 64.6554550065.

Subtracting from 270281 its reverse (182072), we obtain a square (88209 = 297²).

The spelling of 270281 in words is "two hundred seventy thousand, two hundred eighty-one".