725011577 has 2 divisors, whose sum is σ = 725011578. Its totient is φ = 725011576.

The previous prime is 725011531. The next prime is 725011591. The reversal of 725011577 is 775110527.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597118096 + 127893481 = 24436^2 + 11309^2 .

It is an emirp because it is prime and its reverse (775110527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725011577 - 2⁸ = 725011321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (725011877) 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, 362505788 + 362505789.

It is an arithmetic number, because the mean of its divisors is an integer number (362505789).

Almost surely, 2^725011577 is an apocalyptic number.

It is an amenable number.

725011577 is a deficient number, since it is larger than the sum of its proper divisors (1).

725011577 is an equidigital number, since it uses as much as digits as its factorization.

725011577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 725011577 is about 26926.0390143073. The cubic root of 725011577 is about 898.3556712510.

The spelling of 725011577 in words is "seven hundred twenty-five million, eleven thousand, five hundred seventy-seven".