264319 has 4 divisors (see below), whose sum is σ = 288360. Its totient is φ = 240280.

The previous prime is 264301. The next prime is 264323. The reversal of 264319 is 913462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264319 - 2¹¹ = 262271 is a prime.

It is a super-2 number, since 2×264319² = 139729067522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 6² + 3⁴ + 4⁹ + 1 + 9 .

It is a Duffinian number.

264319 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 264293 and 264302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264349) 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, 12004 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (72090).

2²⁶⁴³¹⁹ is an apocalyptic number.

264319 is a deficient number, since it is larger than the sum of its proper divisors (24041).

264319 is a wasteful number, since it uses less digits than its factorization.

264319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24040.

The product of its digits is 1296, while the sum is 25.

The square root of 264319 is about 514.1196358825. The cubic root of 264319 is about 64.1765146707.

It can be divided in two parts, 2643 and 19, that added together give a palindrome (2662).

The spelling of 264319 in words is "two hundred sixty-four thousand, three hundred nineteen".