264330197 has 2 divisors, whose sum is σ = 264330198. Its totient is φ = 264330196.

The previous prime is 264330179. The next prime is 264330203. The reversal of 264330197 is 791033462.

Together with previous prime (264330179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231313681 + 33016516 = 15209^2 + 5746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264330197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264330107) 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 as a sum of consecutive naturals, namely, 132165098 + 132165099.

It is an arithmetic number, because the mean of its divisors is an integer number (132165099).

Almost surely, 2^264330197 is an apocalyptic number.

It is an amenable number.

264330197 is a deficient number, since it is larger than the sum of its proper divisors (1).

264330197 is an equidigital number, since it uses as much as digits as its factorization.

264330197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 264330197 is about 16258.2347442765. The cubic root of 264330197 is about 641.7742086651.

The spelling of 264330197 in words is "two hundred sixty-four million, three hundred thirty thousand, one hundred ninety-seven".