264233999 has 2 divisors, whose sum is σ = 264234000. Its totient is φ = 264233998.

The previous prime is 264233989. The next prime is 264234001. The reversal of 264233999 is 999332462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264233999 - 2⁸ = 264233743 is a prime.

Together with 264234001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264233929) 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, 132116999 + 132117000.

It is an arithmetic number, because the mean of its divisors is an integer number (132117000).

Almost surely, 2^264233999 is an apocalyptic number.

264233999 is a deficient number, since it is larger than the sum of its proper divisors (1).

264233999 is an equidigital number, since it uses as much as digits as its factorization.

264233999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 47.

The square root of 264233999 is about 16255.2760357983. The cubic root of 264233999 is about 641.6963453374.

The spelling of 264233999 in words is "two hundred sixty-four million, two hundred thirty-three thousand, nine hundred ninety-nine".