259278601 has 2 divisors, whose sum is σ = 259278602. Its totient is φ = 259278600.

The previous prime is 259278599. The next prime is 259278619. The reversal of 259278601 is 106872952.

259278601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204518601 + 54760000 = 14301^2 + 7400^2 .

It is a cyclic number.

It is not a de Polignac number, because 259278601 - 2¹ = 259278599 is a prime.

Together with 259278599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (259278001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129639300 + 129639301.

It is an arithmetic number, because the mean of its divisors is an integer number (129639301).

Almost surely, 2^259278601 is an apocalyptic number.

It is an amenable number.

259278601 is a deficient number, since it is larger than the sum of its proper divisors (1).

259278601 is an equidigital number, since it uses as much as digits as its factorization.

259278601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 259278601 is about 16102.1303248980. The cubic root of 259278601 is about 637.6595840903.

The spelling of 259278601 in words is "two hundred fifty-nine million, two hundred seventy-eight thousand, six hundred one".