260050009 has 2 divisors, whose sum is σ = 260050010. Its totient is φ = 260050008.

The previous prime is 260049973. The next prime is 260050019. The reversal of 260050009 is 900050062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220611609 + 39438400 = 14853^2 + 6280^2 .

It is a cyclic number.

It is not a de Polignac number, because 260050009 - 2⁹ = 260049497 is a prime.

It is not a weakly prime, because it can be changed into another prime (260050019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130025004 + 130025005.

It is an arithmetic number, because the mean of its divisors is an integer number (130025005).

Almost surely, 2^260050009 is an apocalyptic number.

It is an amenable number.

260050009 is a deficient number, since it is larger than the sum of its proper divisors (1).

260050009 is an equidigital number, since it uses as much as digits as its factorization.

260050009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 260050009 is about 16126.0661352978. The cubic root of 260050009 is about 638.2913481162.

The spelling of 260050009 in words is "two hundred sixty million, fifty thousand, nine".