259725593 has 2 divisors, whose sum is σ = 259725594. Its totient is φ = 259725592.

The previous prime is 259725577. The next prime is 259725601. The reversal of 259725593 is 395527952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233233984 + 26491609 = 15272^2 + 5147^2 .

It is a cyclic number.

It is not a de Polignac number, because 259725593 - 2⁴ = 259725577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (259725503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129862796 + 129862797.

It is an arithmetic number, because the mean of its divisors is an integer number (129862797).

Almost surely, 2^259725593 is an apocalyptic number.

It is an amenable number.

259725593 is a deficient number, since it is larger than the sum of its proper divisors (1).

259725593 is an equidigital number, since it uses as much as digits as its factorization.

259725593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 850500, while the sum is 47.

The square root of 259725593 is about 16116.0042504338. The cubic root of 259725593 is about 638.0258118899.

The spelling of 259725593 in words is "two hundred fifty-nine million, seven hundred twenty-five thousand, five hundred ninety-three".