264553193 has 2 divisors, whose sum is σ = 264553194. Its totient is φ = 264553192.

The previous prime is 264553141. The next prime is 264553213. The reversal of 264553193 is 391355462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263477824 + 1075369 = 16232^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 264553193 - 2²⁶ = 197444329 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (264553103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132276596 + 132276597.

It is an arithmetic number, because the mean of its divisors is an integer number (132276597).

Almost surely, 2^264553193 is an apocalyptic number.

It is an amenable number.

264553193 is a deficient number, since it is larger than the sum of its proper divisors (1).

264553193 is an equidigital number, since it uses as much as digits as its factorization.

264553193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 264553193 is about 16265.0912386005. The cubic root of 264553193 is about 641.9546305481.

The spelling of 264553193 in words is "two hundred sixty-four million, five hundred fifty-three thousand, one hundred ninety-three".