264340533 has 8 divisors (see below), whose sum is σ = 355944096. Its totient is φ = 174482000.

The previous prime is 264340529. The next prime is 264340537. The reversal of 264340533 is 335043462.

It is an interprime number because it is at equal distance from previous prime (264340529) and next prime (264340537).

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

It is a cyclic number.

It is not a de Polignac number, because 264340533 - 2² = 264340529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264340533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264340537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435903 + ... + 436508.

It is an arithmetic number, because the mean of its divisors is an integer number (44493012).

Almost surely, 2^264340533 is an apocalyptic number.

It is an amenable number.

264340533 is a deficient number, since it is larger than the sum of its proper divisors (91603563).

264340533 is a wasteful number, since it uses less digits than its factorization.

264340533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872515.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 264340533 is about 16258.5526108568. The cubic root of 264340533 is about 641.7825735711.

Adding to 264340533 its reverse (335043462), we get a palindrome (599383995).

The spelling of 264340533 in words is "two hundred sixty-four million, three hundred forty thousand, five hundred thirty-three".