260648863 has 2 divisors, whose sum is σ = 260648864. Its totient is φ = 260648862.

The previous prime is 260648779. The next prime is 260648917. The reversal of 260648863 is 368846062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260648863 - 2¹⁷ = 260517791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260648263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130324431 + 130324432.

It is an arithmetic number, because the mean of its divisors is an integer number (130324432).

Almost surely, 2^260648863 is an apocalyptic number.

260648863 is a deficient number, since it is larger than the sum of its proper divisors (1).

260648863 is an equidigital number, since it uses as much as digits as its factorization.

260648863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 260648863 is about 16144.6233464891. The cubic root of 260648863 is about 638.7809338026.

The spelling of 260648863 in words is "two hundred sixty million, six hundred forty-eight thousand, eight hundred sixty-three".