260391463 has 2 divisors, whose sum is σ = 260391464. Its totient is φ = 260391462.

The previous prime is 260391457. The next prime is 260391503. The reversal of 260391463 is 364193062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260391463 - 2¹⁷ = 260260391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260391563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130195731 + 130195732.

It is an arithmetic number, because the mean of its divisors is an integer number (130195732).

Almost surely, 2^260391463 is an apocalyptic number.

260391463 is a deficient number, since it is larger than the sum of its proper divisors (1).

260391463 is an equidigital number, since it uses as much as digits as its factorization.

260391463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 260391463 is about 16136.6496832521. The cubic root of 260391463 is about 638.5705916020.

The spelling of 260391463 in words is "two hundred sixty million, three hundred ninety-one thousand, four hundred sixty-three".