1701505009 has 2 divisors, whose sum is σ = 1701505010. Its totient is φ = 1701505008.

The previous prime is 1701505007. The next prime is 1701505019. The reversal of 1701505009 is 9005051071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1460386225 + 241118784 = 38215^2 + 15528^2 .

It is an emirp because it is prime and its reverse (9005051071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1701505009 - 2¹ = 1701505007 is a prime.

Together with 1701505007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1701505007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850752504 + 850752505.

It is an arithmetic number, because the mean of its divisors is an integer number (850752505).

Almost surely, 2^1701505009 is an apocalyptic number.

It is an amenable number.

1701505009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1701505009 is an equidigital number, since it uses as much as digits as its factorization.

1701505009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1701505009 is about 41249.3031335076. The cubic root of 1701505009 is about 1193.8352847012.

The spelling of 1701505009 in words is "one billion, seven hundred one million, five hundred five thousand, nine".