260040259 has 2 divisors, whose sum is σ = 260040260. Its totient is φ = 260040258.

The previous prime is 260040241. The next prime is 260040301. The reversal of 260040259 is 952040062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260040259 - 2¹¹ = 260038211 is a prime.

It is not a weakly prime, because it can be changed into another prime (260040229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130020129 + 130020130.

It is an arithmetic number, because the mean of its divisors is an integer number (130020130).

Almost surely, 2^260040259 is an apocalyptic number.

260040259 is a deficient number, since it is larger than the sum of its proper divisors (1).

260040259 is an equidigital number, since it uses as much as digits as its factorization.

260040259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 260040259 is about 16125.7638268703. The cubic root of 260040259 is about 638.2833709090.

The spelling of 260040259 in words is "two hundred sixty million, forty thousand, two hundred fifty-nine".