264256305 has 8 divisors (see below), whose sum is σ = 422810112. Its totient is φ = 140936688.

The previous prime is 264256303. The next prime is 264256309. The reversal of 264256305 is 503652462.

264256305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264256305 - 2¹ = 264256303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264256303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8808529 + ... + 8808558.

It is an arithmetic number, because the mean of its divisors is an integer number (52851264).

Almost surely, 2^264256305 is an apocalyptic number.

It is an amenable number.

264256305 is a deficient number, since it is larger than the sum of its proper divisors (158553807).

264256305 is a wasteful number, since it uses less digits than its factorization.

264256305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617095.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 264256305 is about 16255.9621370130. The cubic root of 264256305 is about 641.7144016511.

The spelling of 264256305 in words is "two hundred sixty-four million, two hundred fifty-six thousand, three hundred five".