259756241 has 2 divisors, whose sum is σ = 259756242. Its totient is φ = 259756240.

The previous prime is 259756199. The next prime is 259756271. The reversal of 259756241 is 142657952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246615616 + 13140625 = 15704^2 + 3625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259756241 is a prime.

It is not a weakly prime, because it can be changed into another prime (259756271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129878120 + 129878121.

It is an arithmetic number, because the mean of its divisors is an integer number (129878121).

Almost surely, 2^259756241 is an apocalyptic number.

It is an amenable number.

259756241 is a deficient number, since it is larger than the sum of its proper divisors (1).

259756241 is an equidigital number, since it uses as much as digits as its factorization.

259756241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 259756241 is about 16116.9550784259. The cubic root of 259756241 is about 638.0509068960.

The spelling of 259756241 in words is "two hundred fifty-nine million, seven hundred fifty-six thousand, two hundred forty-one".