259775441 has 2 divisors, whose sum is σ = 259775442. Its totient is φ = 259775440.

The previous prime is 259775423. The next prime is 259775447. The reversal of 259775441 is 144577952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252937216 + 6838225 = 15904^2 + 2615^2 .

It is a cyclic number.

It is not a de Polignac number, because 259775441 - 2⁶ = 259775377 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 259775392 and 259775401.

It is not a weakly prime, because it can be changed into another prime (259775447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129887720 + 129887721.

It is an arithmetic number, because the mean of its divisors is an integer number (129887721).

Almost surely, 2^259775441 is an apocalyptic number.

It is an amenable number.

259775441 is a deficient number, since it is larger than the sum of its proper divisors (1).

259775441 is an equidigital number, since it uses as much as digits as its factorization.

259775441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The square root of 259775441 is about 16117.5507134304. The cubic root of 259775441 is about 638.0666271158.

The spelling of 259775441 in words is "two hundred fifty-nine million, seven hundred seventy-five thousand, four hundred forty-one".