264306265 has 4 divisors (see below), whose sum is σ = 317167524. Its totient is φ = 211445008.

The previous prime is 264306257. The next prime is 264306269. The reversal of 264306265 is 562603462.

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 200817241 + 63489024 = 14171^2 + 7968^2 .

It is a cyclic number.

It is not a de Polignac number, because 264306265 - 2³ = 264306257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264306265.

It is not an unprimeable number, because it can be changed into a prime (264306269) 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 in 3 ways as a sum of consecutive naturals, for example, 26430622 + ... + 26430631.

It is an arithmetic number, because the mean of its divisors is an integer number (79291881).

Almost surely, 2^264306265 is an apocalyptic number.

It is an amenable number.

264306265 is a deficient number, since it is larger than the sum of its proper divisors (52861259).

264306265 is an equidigital number, since it uses as much as digits as its factorization.

264306265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52861258.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 264306265 is about 16257.4987313547. The cubic root of 264306265 is about 641.7548397040.

The spelling of 264306265 in words is "two hundred sixty-four million, three hundred six thousand, two hundred sixty-five".