2654609 has 2 divisors, whose sum is σ = 2654610. Its totient is φ = 2654608.

The previous prime is 2654593. The next prime is 2654621. The reversal of 2654609 is 9064562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2650384 + 4225 = 1628^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 2654609 - 2⁴ = 2654593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2654209) 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 as a sum of consecutive naturals, namely, 1327304 + 1327305.

It is an arithmetic number, because the mean of its divisors is an integer number (1327305).

2^2654609 is an apocalyptic number.

It is an amenable number.

2654609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654609 is an equidigital number, since it uses as much as digits as its factorization.

2654609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2654609 is about 1629.2970877038. The cubic root of 2654609 is about 138.4629310797.

The spelling of 2654609 in words is "two million, six hundred fifty-four thousand, six hundred nine".