264605417 has 2 divisors, whose sum is σ = 264605418. Its totient is φ = 264605416.

The previous prime is 264605399. The next prime is 264605437. The reversal of 264605417 is 714506462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263867536 + 737881 = 16244^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 264605417 - 2⁶ = 264605353 is a prime.

It is equal to p_14433398 and since 264605417 and 14433398 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (264605437) 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, 132302708 + 132302709.

It is an arithmetic number, because the mean of its divisors is an integer number (132302709).

Almost surely, 2^264605417 is an apocalyptic number.

It is an amenable number.

264605417 is a deficient number, since it is larger than the sum of its proper divisors (1).

264605417 is an equidigital number, since it uses as much as digits as its factorization.

264605417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 264605417 is about 16266.6965607649. The cubic root of 264605417 is about 641.9968693539.

The spelling of 264605417 in words is "two hundred sixty-four million, six hundred five thousand, four hundred seventeen".