260288863 has 2 divisors, whose sum is σ = 260288864. Its totient is φ = 260288862.

The previous prime is 260288851. The next prime is 260288909. The reversal of 260288863 is 368882062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260288863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260288563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130144431 + 130144432.

It is an arithmetic number, because the mean of its divisors is an integer number (130144432).

Almost surely, 2^260288863 is an apocalyptic number.

260288863 is a deficient number, since it is larger than the sum of its proper divisors (1).

260288863 is an equidigital number, since it uses as much as digits as its factorization.

260288863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 260288863 is about 16133.4702714574. The cubic root of 260288863 is about 638.4867102682.

The spelling of 260288863 in words is "two hundred sixty million, two hundred eighty-eight thousand, eight hundred sixty-three".