2054609 has 2 divisors, whose sum is σ = 2054610. Its totient is φ = 2054608.

The previous prime is 2054597. The next prime is 2054617. The reversal of 2054609 is 9064502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1882384 + 172225 = 1372^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054609 - 2⁴ = 2054593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2054629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027304 + 1027305.

It is an arithmetic number, because the mean of its divisors is an integer number (1027305).

2^2054609 is an apocalyptic number.

It is an amenable number.

2054609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054609 is an equidigital number, since it uses as much as digits as its factorization.

2054609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2054609 is about 1433.3907352847. The cubic root of 2054609 is about 127.1285407799.

The spelling of 2054609 in words is "two million, fifty-four thousand, six hundred nine".