256026259 has 2 divisors, whose sum is σ = 256026260. Its totient is φ = 256026258.

The previous prime is 256026233. The next prime is 256026289. The reversal of 256026259 is 952620652.

256026259 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 is a cyclic number.

It is not a de Polignac number, because 256026259 - 2⁹ = 256025747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256026289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128013129 + 128013130.

It is an arithmetic number, because the mean of its divisors is an integer number (128013130).

Almost surely, 2^256026259 is an apocalyptic number.

256026259 is a deficient number, since it is larger than the sum of its proper divisors (1).

256026259 is an equidigital number, since it uses as much as digits as its factorization.

256026259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 256026259 is about 16000.8205727081. The cubic root of 256026259 is about 634.9821302347.

The spelling of 256026259 in words is "two hundred fifty-six million, twenty-six thousand, two hundred fifty-nine".