2609147 has 2 divisors, whose sum is σ = 2609148. Its totient is φ = 2609146.

The previous prime is 2609107. The next prime is 2609171. The reversal of 2609147 is 7419062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2609147 - 2⁶ = 2609083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2609107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304573 + 1304574.

It is an arithmetic number, because the mean of its divisors is an integer number (1304574).

2^2609147 is an apocalyptic number.

2609147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609147 is an equidigital number, since it uses as much as digits as its factorization.

2609147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2609147 is about 1615.2854236945. The cubic root of 2609147 is about 137.6679512440.

The spelling of 2609147 in words is "two million, six hundred nine thousand, one hundred forty-seven".