264708673 has 2 divisors, whose sum is σ = 264708674. Its totient is φ = 264708672.

The previous prime is 264708671. The next prime is 264708701. The reversal of 264708673 is 376807462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172318129 + 92390544 = 13127^2 + 9612^2 .

It is a cyclic number.

It is not a de Polignac number, because 264708673 - 2¹ = 264708671 is a prime.

It is a super-2 number, since 2×264708673² = 140141363122841858, which contains 22 as substring.

Together with 264708671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (264708671) 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 as a sum of consecutive naturals, namely, 132354336 + 132354337.

It is an arithmetic number, because the mean of its divisors is an integer number (132354337).

Almost surely, 2^264708673 is an apocalyptic number.

It is an amenable number.

264708673 is a deficient number, since it is larger than the sum of its proper divisors (1).

264708673 is an equidigital number, since it uses as much as digits as its factorization.

264708673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 264708673 is about 16269.8700978219. The cubic root of 264708673 is about 642.0803665207.

The spelling of 264708673 in words is "two hundred sixty-four million, seven hundred eight thousand, six hundred seventy-three".