6410009 has 2 divisors, whose sum is σ = 6410010. Its totient is φ = 6410008.

The previous prime is 6409943. The next prime is 6410023. The reversal of 6410009 is 9000146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4840000 + 1570009 = 2200^2 + 1253^2 .

It is a cyclic number.

It is not a de Polignac number, because 6410009 - 2¹² = 6405913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6410029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205004 + 3205005.

It is an arithmetic number, because the mean of its divisors is an integer number (3205005).

Almost surely, 2^6410009 is an apocalyptic number.

It is an amenable number.

6410009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6410009 is an equidigital number, since it uses as much as digits as its factorization.

6410009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6410009 is about 2531.7995576269. The cubic root of 6410009 is about 185.7602897303.

The spelling of 6410009 in words is "six million, four hundred ten thousand, nine".