264547 has 4 divisors (see below), whose sum is σ = 266616. Its totient is φ = 262480.

The previous prime is 264529. The next prime is 264553. The reversal of 264547 is 745462.

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 264547 - 2¹⁵ = 231779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264527) 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, 829 + ... + 1102.

It is an arithmetic number, because the mean of its divisors is an integer number (66654).

2²⁶⁴⁵⁴⁷ is an apocalyptic number.

264547 is a deficient number, since it is larger than the sum of its proper divisors (2069).

264547 is a wasteful number, since it uses less digits than its factorization.

264547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its digits is 6720, while the sum is 28.

The square root of 264547 is about 514.3413263583. The cubic root of 264547 is about 64.1949621277.

The spelling of 264547 in words is "two hundred sixty-four thousand, five hundred forty-seven".