264493 has 4 divisors (see below), whose sum is σ = 270688. Its totient is φ = 258300.

The previous prime is 264487. The next prime is 264527. The reversal of 264493 is 394462.

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 264493 - 2¹³ = 256301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (67672).

2²⁶⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

264493 is a deficient number, since it is larger than the sum of its proper divisors (6195).

264493 is an equidigital number, since it uses as much as digits as its factorization.

264493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194.

The product of its digits is 5184, while the sum is 28.

The square root of 264493 is about 514.2888293556. The cubic root of 264493 is about 64.1905939513.

It can be divided in two parts, 264 and 493, that added together give a palindrome (757).

The spelling of 264493 in words is "two hundred sixty-four thousand, four hundred ninety-three".