264443 has 2 divisors, whose sum is σ = 264444. Its totient is φ = 264442.

The previous prime is 264437. The next prime is 264463. The reversal of 264443 is 344462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264443 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 6 + 4⁵ + 4⁵ + 4⁹ + 3⁵ .

It is not a weakly prime, because it can be changed into another prime (264403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132221 + 132222.

It is an arithmetic number, because the mean of its divisors is an integer number (132222).

2²⁶⁴⁴⁴³ is an apocalyptic number.

264443 is a deficient number, since it is larger than the sum of its proper divisors (1).

264443 is an equidigital number, since it uses as much as digits as its factorization.

264443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 264443 is about 514.2402162414. The cubic root of 264443 is about 64.1865488135.

It can be divided in two parts, 264 and 443, that added together give a palindrome (707).

The spelling of 264443 in words is "two hundred sixty-four thousand, four hundred forty-three".