264572305 has 4 divisors (see below), whose sum is σ = 317486772. Its totient is φ = 211657840.

The previous prime is 264572299. The next prime is 264572317. The reversal of 264572305 is 503275462.

264572305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 147088384 + 117483921 = 12128^2 + 10839^2 .

It is not a de Polignac number, because 264572305 - 2⁷ = 264572177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26457226 + ... + 26457235.

It is an arithmetic number, because the mean of its divisors is an integer number (79371693).

Almost surely, 2^264572305 is an apocalyptic number.

It is an amenable number.

264572305 is a deficient number, since it is larger than the sum of its proper divisors (52914467).

264572305 is an equidigital number, since it uses as much as digits as its factorization.

264572305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52914466.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 264572305 is about 16265.6787439074. The cubic root of 264572305 is about 641.9700889912.

The spelling of 264572305 in words is "two hundred sixty-four million, five hundred seventy-two thousand, three hundred five".