264325289 has 2 divisors, whose sum is σ = 264325290. Its totient is φ = 264325288.

The previous prime is 264325279. The next prime is 264325301. The reversal of 264325289 is 982523462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216825625 + 47499664 = 14725^2 + 6892^2 .

It is a cyclic number.

It is not a de Polignac number, because 264325289 - 2¹² = 264321193 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (264325249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132162644 + 132162645.

It is an arithmetic number, because the mean of its divisors is an integer number (132162645).

Almost surely, 2^264325289 is an apocalyptic number.

It is an amenable number.

264325289 is a deficient number, since it is larger than the sum of its proper divisors (1).

264325289 is an equidigital number, since it uses as much as digits as its factorization.

264325289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 264325289 is about 16258.0838046801. The cubic root of 264325289 is about 641.7702365532.

The spelling of 264325289 in words is "two hundred sixty-four million, three hundred twenty-five thousand, two hundred eighty-nine".