725448611 has 2 divisors, whose sum is σ = 725448612. Its totient is φ = 725448610.

The previous prime is 725448553. The next prime is 725448631. The reversal of 725448611 is 116844527.

It is a strong prime.

It is an emirp because it is prime and its reverse (116844527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725448611 - 2¹⁰ = 725447587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (725448631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362724305 + 362724306.

It is an arithmetic number, because the mean of its divisors is an integer number (362724306).

Almost surely, 2^725448611 is an apocalyptic number.

725448611 is a deficient number, since it is larger than the sum of its proper divisors (1).

725448611 is an equidigital number, since it uses as much as digits as its factorization.

725448611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 725448611 is about 26934.1532445332. The cubic root of 725448611 is about 898.5361433625.

The spelling of 725448611 in words is "seven hundred twenty-five million, four hundred forty-eight thousand, six hundred eleven".