264069217 has 4 divisors (see below), whose sum is σ = 264413380. Its totient is φ = 263725056.

The previous prime is 264069209. The next prime is 264069227. The reversal of 264069217 is 712960462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153735201 + 110334016 = 12399^2 + 10504^2 .

It is a cyclic number.

It is not a de Polignac number, because 264069217 - 2³ = 264069209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264069227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170928 + ... + 172465.

It is an arithmetic number, because the mean of its divisors is an integer number (66103345).

Almost surely, 2^264069217 is an apocalyptic number.

It is an amenable number.

264069217 is a deficient number, since it is larger than the sum of its proper divisors (344163).

264069217 is an equidigital number, since it uses as much as digits as its factorization.

264069217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344162.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 264069217 is about 16250.2066756088. The cubic root of 264069217 is about 641.5629257223.

The spelling of 264069217 in words is "two hundred sixty-four million, sixty-nine thousand, two hundred seventeen".