264133281 has 8 divisors (see below), whose sum is σ = 355665024. Its totient is φ = 174345200.

The previous prime is 264133273. The next prime is 264133313. The reversal of 264133281 is 182331462.

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 264133281 - 2³ = 264133273 is a prime.

It is a super-2 number, since 2×264133281² = 139532780263649922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264133201) 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 7 ways as a sum of consecutive naturals, for example, 435561 + ... + 436166.

It is an arithmetic number, because the mean of its divisors is an integer number (44458128).

Almost surely, 2^264133281 is an apocalyptic number.

It is an amenable number.

264133281 is a deficient number, since it is larger than the sum of its proper divisors (91531743).

264133281 is a wasteful number, since it uses less digits than its factorization.

264133281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871831.

The product of its digits is 6912, while the sum is 30.

The square root of 264133281 is about 16252.1777309996. The cubic root of 264133281 is about 641.6148032368.

The spelling of 264133281 in words is "two hundred sixty-four million, one hundred thirty-three thousand, two hundred eighty-one".