264115533 has 24 divisors (see below), whose sum is σ = 392420224. Its totient is φ = 157861440.

The previous prime is 264115517. The next prime is 264115571. The reversal of 264115533 is 335511462.

It is not a de Polignac number, because 264115533 - 2⁴ = 264115517 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 264115533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264115573) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 21516 + ... + 31482.

Almost surely, 2^264115533 is an apocalyptic number.

It is an amenable number.

264115533 is a deficient number, since it is larger than the sum of its proper divisors (128304691).

264115533 is a wasteful number, since it uses less digits than its factorization.

264115533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065 (or 10054 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 264115533 is about 16251.6317026937. The cubic root of 264115533 is about 641.6004321656.

Adding to 264115533 its reverse (335511462), we get a palindrome (599626995).

The spelling of 264115533 in words is "two hundred sixty-four million, one hundred fifteen thousand, five hundred thirty-three".