262281 has 4 divisors (see below), whose sum is σ = 349712. Its totient is φ = 174852.

The previous prime is 262271. The next prime is 262303. The reversal of 262281 is 182262.

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 not a de Polignac number, because 262281 - 2⁶ = 262217 is a prime.

It is a super-2 number, since 2×262281² = 137582645922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 6 + 2⁶ + 2¹⁸ + 8² + 1 .

It is a D-number.

It is a Duffinian number.

262281 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 262281.

It is not an unprimeable number, because it can be changed into a prime (262231) 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, 43711 + ... + 43716.

It is an arithmetic number, because the mean of its divisors is an integer number (87428).

2²⁶²²⁸¹ is an apocalyptic number.

It is an amenable number.

262281 is a deficient number, since it is larger than the sum of its proper divisors (87431).

262281 is an equidigital number, since it uses as much as digits as its factorization.

262281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87430.

The product of its digits is 384, while the sum is 21.

The square root of 262281 is about 512.1337715871. The cubic root of 262281 is about 64.0111471469.

The spelling of 262281 in words is "two hundred sixty-two thousand, two hundred eighty-one".