264968617 has 4 divisors (see below), whose sum is σ = 265477716. Its totient is φ = 264459520.

The previous prime is 264968597. The next prime is 264968653. The reversal of 264968617 is 716869462.

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 138203536 + 126765081 = 11756^2 + 11259^2 .

It is a cyclic number.

It is not a de Polignac number, because 264968617 - 2¹⁵ = 264935849 is a prime.

It is a super-3 number, since 3×264968617³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264968017) 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, 253768 + ... + 254809.

It is an arithmetic number, because the mean of its divisors is an integer number (66369429).

Almost surely, 2^264968617 is an apocalyptic number.

It is an amenable number.

264968617 is a deficient number, since it is larger than the sum of its proper divisors (509099).

264968617 is an equidigital number, since it uses as much as digits as its factorization.

264968617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509098.

The product of its digits is 870912, while the sum is 49.

The square root of 264968617 is about 16277.8566463770. The cubic root of 264968617 is about 642.2904721349.

The spelling of 264968617 in words is "two hundred sixty-four million, nine hundred sixty-eight thousand, six hundred seventeen".