264499 has 4 divisors (see below), whose sum is σ = 278440. Its totient is φ = 250560.

The previous prime is 264487. The next prime is 264527. The reversal of 264499 is 994462.

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 264499 - 2⁷ = 264371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264599) 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, 6942 + ... + 6979.

It is an arithmetic number, because the mean of its divisors is an integer number (69610).

2²⁶⁴⁴⁹⁹ is an apocalyptic number.

264499 is a deficient number, since it is larger than the sum of its proper divisors (13941).

264499 is a wasteful number, since it uses less digits than its factorization.

264499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940.

The product of its digits is 15552, while the sum is 34.

The square root of 264499 is about 514.2946626206. The cubic root of 264499 is about 64.1910793336.

The spelling of 264499 in words is "two hundred sixty-four thousand, four hundred ninety-nine".