264375697 has 2 divisors, whose sum is σ = 264375698. Its totient is φ = 264375696.

The previous prime is 264375677. The next prime is 264375701. The reversal of 264375697 is 796573462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146023056 + 118352641 = 12084^2 + 10879^2 .

It is a cyclic number.

It is not a de Polignac number, because 264375697 - 2⁷ = 264375569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264375697.

It is not a weakly prime, because it can be changed into another prime (264375677) 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, 132187848 + 132187849.

It is an arithmetic number, because the mean of its divisors is an integer number (132187849).

Almost surely, 2^264375697 is an apocalyptic number.

It is an amenable number.

264375697 is a deficient number, since it is larger than the sum of its proper divisors (1).

264375697 is an equidigital number, since it uses as much as digits as its factorization.

264375697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 49.

The square root of 264375697 is about 16259.6339749700. The cubic root of 264375697 is about 641.8110300997.

The spelling of 264375697 in words is "two hundred sixty-four million, three hundred seventy-five thousand, six hundred ninety-seven".