264333133 has 2 divisors, whose sum is σ = 264333134. Its totient is φ = 264333132.

The previous prime is 264333049. The next prime is 264333137. The reversal of 264333133 is 331333462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261242569 + 3090564 = 16163^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 264333133 - 2¹⁷ = 264202061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264333137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132166566 + 132166567.

It is an arithmetic number, because the mean of its divisors is an integer number (132166567).

Almost surely, 2^264333133 is an apocalyptic number.

It is an amenable number.

264333133 is a deficient number, since it is larger than the sum of its proper divisors (1).

264333133 is an equidigital number, since it uses as much as digits as its factorization.

264333133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 28.

The square root of 264333133 is about 16258.3250367312. The cubic root of 264333133 is about 641.7765847867.

Adding to 264333133 its reverse (331333462), we get a palindrome (595666595).

The spelling of 264333133 in words is "two hundred sixty-four million, three hundred thirty-three thousand, one hundred thirty-three".