264281 has 4 divisors (see below), whose sum is σ = 269952. Its totient is φ = 258612.

The previous prime is 264269. The next prime is 264283. The reversal of 264281 is 182462.

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 264281 - 2¹⁰ = 263257 is a prime.

It is a super-2 number, since 2×264281² = 139688893922, 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 264281.

It is not an unprimeable number, because it can be changed into a prime (264283) 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, 2765 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (67488).

2²⁶⁴²⁸¹ is an apocalyptic number.

It is an amenable number.

264281 is a deficient number, since it is larger than the sum of its proper divisors (5671).

264281 is an equidigital number, since it uses as much as digits as its factorization.

264281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670.

The product of its digits is 768, while the sum is 23.

The square root of 264281 is about 514.0826781754. The cubic root of 264281 is about 64.1734390633.

It can be divided in two parts, 264 and 281, that added together give a palindrome (545).

The spelling of 264281 in words is "two hundred sixty-four thousand, two hundred eighty-one".