264252685 has 4 divisors (see below), whose sum is σ = 317103228. Its totient is φ = 211402144.

The previous prime is 264252683. The next prime is 264252701. The reversal of 264252685 is 586252462.

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 149891049 + 114361636 = 12243^2 + 10694^2 .

It is a cyclic number.

It is not a de Polignac number, because 264252685 - 2¹ = 264252683 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264252683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26425264 + ... + 26425273.

It is an arithmetic number, because the mean of its divisors is an integer number (79275807).

Almost surely, 2^264252685 is an apocalyptic number.

It is an amenable number.

264252685 is a deficient number, since it is larger than the sum of its proper divisors (52850543).

264252685 is an equidigital number, since it uses as much as digits as its factorization.

264252685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52850542.

The product of its digits is 230400, while the sum is 40.

The square root of 264252685 is about 16255.8507928684. The cubic root of 264252685 is about 641.7114713940.

The spelling of 264252685 in words is "two hundred sixty-four million, two hundred fifty-two thousand, six hundred eighty-five".