264335065 has 8 divisors (see below), whose sum is σ = 317307528. Its totient is φ = 211397760.

The previous prime is 264335041. The next prime is 264335111. The reversal of 264335065 is 560533462.

It can be written as a sum of positive squares in 4 ways, for example, as 63234304 + 201100761 = 7952^2 + 14181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264335065 - 2⁷ = 264334937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264335065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12405 + ... + 26125.

It is an arithmetic number, because the mean of its divisors is an integer number (39663441).

Almost surely, 2^264335065 is an apocalyptic number.

It is an amenable number.

264335065 is a deficient number, since it is larger than the sum of its proper divisors (52972463).

264335065 is a wasteful number, since it uses less digits than its factorization.

264335065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17579.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 264335065 is about 16258.3844523372. The cubic root of 264335065 is about 641.7781483558.

The spelling of 264335065 in words is "two hundred sixty-four million, three hundred thirty-five thousand, sixty-five".