1330522409 has 2 divisors, whose sum is σ = 1330522410. Its totient is φ = 1330522408.

The previous prime is 1330522397. The next prime is 1330522433. The reversal of 1330522409 is 9042250331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1147515625 + 183006784 = 33875^2 + 13528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330522409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1330522439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665261204 + 665261205.

It is an arithmetic number, because the mean of its divisors is an integer number (665261205).

Almost surely, 2^1330522409 is an apocalyptic number.

It is an amenable number.

1330522409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330522409 is an equidigital number, since it uses as much as digits as its factorization.

1330522409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1330522409 is about 36476.3266928017. The cubic root of 1330522409 is about 1099.8684164918.

The spelling of 1330522409 in words is "one billion, three hundred thirty million, five hundred twenty-two thousand, four hundred nine".