264888313 has 2 divisors, whose sum is σ = 264888314. Its totient is φ = 264888312.

The previous prime is 264888307. The next prime is 264888391. The reversal of 264888313 is 313888462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168298729 + 96589584 = 12973^2 + 9828^2 .

It is a cyclic number.

It is not a de Polignac number, because 264888313 - 2⁹ = 264887801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264888313.

It is not a weakly prime, because it can be changed into another prime (264888913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132444156 + 132444157.

It is an arithmetic number, because the mean of its divisors is an integer number (132444157).

Almost surely, 2^264888313 is an apocalyptic number.

It is an amenable number.

264888313 is a deficient number, since it is larger than the sum of its proper divisors (1).

264888313 is an equidigital number, since it uses as much as digits as its factorization.

264888313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The square root of 264888313 is about 16275.3897956393. The cubic root of 264888313 is about 642.2255792856.

The spelling of 264888313 in words is "two hundred sixty-four million, eight hundred eighty-eight thousand, three hundred thirteen".