259343741 has 2 divisors, whose sum is σ = 259343742. Its totient is φ = 259343740.

The previous prime is 259343731. The next prime is 259343753. The reversal of 259343741 is 147343952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154281241 + 105062500 = 12421^2 + 10250^2 .

It is a cyclic number.

It is not a de Polignac number, because 259343741 - 2⁶ = 259343677 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 = 259343695 and 259343704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259343731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129671870 + 129671871.

It is an arithmetic number, because the mean of its divisors is an integer number (129671871).

Almost surely, 2^259343741 is an apocalyptic number.

It is an amenable number.

259343741 is a deficient number, since it is larger than the sum of its proper divisors (1).

259343741 is an equidigital number, since it uses as much as digits as its factorization.

259343741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 259343741 is about 16104.1529115940. The cubic root of 259343741 is about 637.7129805361.

The spelling of 259343741 in words is "two hundred fifty-nine million, three hundred forty-three thousand, seven hundred forty-one".