264804143 has 2 divisors, whose sum is σ = 264804144. Its totient is φ = 264804142.

The previous prime is 264804131. The next prime is 264804173. The reversal of 264804143 is 341408462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264804143 - 2⁸ = 264803887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264804173) 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 as a sum of consecutive naturals, namely, 132402071 + 132402072.

It is an arithmetic number, because the mean of its divisors is an integer number (132402072).

Almost surely, 2^264804143 is an apocalyptic number.

264804143 is a deficient number, since it is larger than the sum of its proper divisors (1).

264804143 is an equidigital number, since it uses as much as digits as its factorization.

264804143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 264804143 is about 16272.8037842285. The cubic root of 264804143 is about 642.1575482817.

The spelling of 264804143 in words is "two hundred sixty-four million, eight hundred four thousand, one hundred forty-three".