1016009 has 2 divisors, whose sum is σ = 1016010. Its totient is φ = 1016008.

The previous prime is 1015991. The next prime is 1016011. The reversal of 1016009 is 9006101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 10000 = 1003^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016009 - 2⁸ = 1015753 is a prime.

Together with 1016011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1016069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508004 + 508005.

It is an arithmetic number, because the mean of its divisors is an integer number (508005).

2^1016009 is an apocalyptic number.

It is an amenable number.

1016009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016009 is an equidigital number, since it uses as much as digits as its factorization.

1016009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1016009 is about 1007.9727178848. The cubic root of 1016009 is about 100.5308107475.

The spelling of 1016009 in words is "one million, sixteen thousand, nine".