264266417 has 2 divisors, whose sum is σ = 264266418. Its totient is φ = 264266416.

The previous prime is 264266393. The next prime is 264266419. The reversal of 264266417 is 714662462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252460321 + 11806096 = 15889^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 264266417 - 2²⁰ = 263217841 is a prime.

Together with 264266419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264266419) 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, 132133208 + 132133209.

It is an arithmetic number, because the mean of its divisors is an integer number (132133209).

Almost surely, 2^264266417 is an apocalyptic number.

It is an amenable number.

264266417 is a deficient number, since it is larger than the sum of its proper divisors (1).

264266417 is an equidigital number, since it uses as much as digits as its factorization.

264266417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 264266417 is about 16256.2731583841. The cubic root of 264266417 is about 641.7225868021.

The spelling of 264266417 in words is "two hundred sixty-four million, two hundred sixty-six thousand, four hundred seventeen".