725430593 has 2 divisors, whose sum is σ = 725430594. Its totient is φ = 725430592.

The previous prime is 725430529. The next prime is 725430599. The reversal of 725430593 is 395034527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725332624 + 97969 = 26932^2 + 313^2 .

It is an emirp because it is prime and its reverse (395034527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725430593 - 2⁶ = 725430529 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 (725430599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362715296 + 362715297.

It is an arithmetic number, because the mean of its divisors is an integer number (362715297).

Almost surely, 2^725430593 is an apocalyptic number.

It is an amenable number.

725430593 is a deficient number, since it is larger than the sum of its proper divisors (1).

725430593 is an equidigital number, since it uses as much as digits as its factorization.

725430593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 725430593 is about 26933.8187600645. The cubic root of 725430593 is about 898.5287043067.

The spelling of 725430593 in words is "seven hundred twenty-five million, four hundred thirty thousand, five hundred ninety-three".