728325263 has 2 divisors, whose sum is σ = 728325264. Its totient is φ = 728325262.

The previous prime is 728325223. The next prime is 728325281. The reversal of 728325263 is 362523827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 728325263 - 2²⁰ = 727276687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728325223) 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, 364162631 + 364162632.

It is an arithmetic number, because the mean of its divisors is an integer number (364162632).

Almost surely, 2^728325263 is an apocalyptic number.

728325263 is a deficient number, since it is larger than the sum of its proper divisors (1).

728325263 is an equidigital number, since it uses as much as digits as its factorization.

728325263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 728325263 is about 26987.5019777674. The cubic root of 728325263 is about 899.7222447415.

The spelling of 728325263 in words is "seven hundred twenty-eight million, three hundred twenty-five thousand, two hundred sixty-three".