264891833 has 2 divisors, whose sum is σ = 264891834. Its totient is φ = 264891832.

The previous prime is 264891799. The next prime is 264891839. The reversal of 264891833 is 338198462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263835049 + 1056784 = 16243^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 264891833 - 2¹⁰ = 264890809 is a prime.

It is not a weakly prime, because it can be changed into another prime (264891839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132445916 + 132445917.

It is an arithmetic number, because the mean of its divisors is an integer number (132445917).

Almost surely, 2^264891833 is an apocalyptic number.

It is an amenable number.

264891833 is a deficient number, since it is larger than the sum of its proper divisors (1).

264891833 is an equidigital number, since it uses as much as digits as its factorization.

264891833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 264891833 is about 16275.4979340111. The cubic root of 264891833 is about 642.2284240368.

The spelling of 264891833 in words is "two hundred sixty-four million, eight hundred ninety-one thousand, eight hundred thirty-three".