2942609 has 2 divisors, whose sum is σ = 2942610. Its totient is φ = 2942608.

The previous prime is 2942561. The next prime is 2942627. The reversal of 2942609 is 9062492.

2942609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 253009 = 1640^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 2942609 - 2²⁰ = 1894033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2942629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471304 + 1471305.

It is an arithmetic number, because the mean of its divisors is an integer number (1471305).

2^2942609 is an apocalyptic number.

It is an amenable number.

2942609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942609 is an equidigital number, since it uses as much as digits as its factorization.

2942609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2942609 is about 1715.4034510867. The cubic root of 2942609 is about 143.2993387321.

The spelling of 2942609 in words is "two million, nine hundred forty-two thousand, six hundred nine".