2611009 has 2 divisors, whose sum is σ = 2611010. Its totient is φ = 2611008.

The previous prime is 2611001. The next prime is 2611027. The reversal of 2611009 is 9001162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 815409 = 1340^2 + 903^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611009 - 2³ = 2611001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2611001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305504 + 1305505.

It is an arithmetic number, because the mean of its divisors is an integer number (1305505).

2^2611009 is an apocalyptic number.

It is an amenable number.

2611009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611009 is an equidigital number, since it uses as much as digits as its factorization.

2611009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2611009 is about 1615.8616896257. The cubic root of 2611009 is about 137.7006920556.

The spelling of 2611009 in words is "two million, six hundred eleven thousand, nine".