264481 has 4 divisors (see below), whose sum is σ = 302272. Its totient is φ = 226692.

The previous prime is 264463. The next prime is 264487. The reversal of 264481 is 184462.

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 264481 - 2⁷ = 264353 is a prime.

It is a super-2 number, since 2×264481² = 139900398722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 4³ + 4⁹ + 8 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18885 + ... + 18898.

It is an arithmetic number, because the mean of its divisors is an integer number (75568).

2²⁶⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

264481 is a deficient number, since it is larger than the sum of its proper divisors (37791).

264481 is an equidigital number, since it uses as much as digits as its factorization.

264481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37790.

The product of its digits is 1536, while the sum is 25.

The square root of 264481 is about 514.2771626273. The cubic root of 264481 is about 64.1896231647.

The spelling of 264481 in words is "two hundred sixty-four thousand, four hundred eighty-one".