1610009 has 2 divisors, whose sum is σ = 1610010. Its totient is φ = 1610008.

The previous prime is 1609999. The next prime is 1610017. The reversal of 1610009 is 9000161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1570009 + 40000 = 1253^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610009 - 2¹² = 1605913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805004 + 805005.

It is an arithmetic number, because the mean of its divisors is an integer number (805005).

2^1610009 is an apocalyptic number.

It is an amenable number.

1610009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610009 is an equidigital number, since it uses as much as digits as its factorization.

1610009 is an evil number, because the sum of its binary digits is even.

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

The square root of 1610009 is about 1268.8613005368. The cubic root of 1610009 is about 117.2040901786.

The spelling of 1610009 in words is "one million, six hundred ten thousand, nine".