264245417 has 2 divisors, whose sum is σ = 264245418. Its totient is φ = 264245416.

The previous prime is 264245393. The next prime is 264245431. The reversal of 264245417 is 714542462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239135296 + 25110121 = 15464^2 + 5011^2 .

It is a cyclic number.

It is not a de Polignac number, because 264245417 - 2⁶ = 264245353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264245447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132122708 + 132122709.

It is an arithmetic number, because the mean of its divisors is an integer number (132122709).

Almost surely, 2^264245417 is an apocalyptic number.

It is an amenable number.

264245417 is a deficient number, since it is larger than the sum of its proper divisors (1).

264245417 is an equidigital number, since it uses as much as digits as its factorization.

264245417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 264245417 is about 16255.6272410510. The cubic root of 264245417 is about 641.7055881340.

Adding to 264245417 its reverse (714542462), we get a palindrome (978787879).

The spelling of 264245417 in words is "two hundred sixty-four million, two hundred forty-five thousand, four hundred seventeen".