2655009 has 48 divisors (see below), whose sum is σ = 4837248. Its totient is φ = 1368576.

The previous prime is 2654999. The next prime is 2655017. The reversal of 2655009 is 9005562.

2655009 is a `hidden beast` number, since 2 + 655 + 0 + 0 + 9 = 666.

It is not a de Polignac number, because 2655009 - 2⁷ = 2654881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2655049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39594 + ... + 39660.

It is an arithmetic number, because the mean of its divisors is an integer number (100776).

2^2655009 is an apocalyptic number.

It is an amenable number.

2655009 is a deficient number, since it is larger than the sum of its proper divisors (2182239).

2655009 is a wasteful number, since it uses less digits than its factorization.

2655009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2655009 is about 1629.4198354015. The cubic root of 2655009 is about 138.4698853230.

The spelling of 2655009 in words is "two million, six hundred fifty-five thousand, nine".