2447147 has 2 divisors, whose sum is σ = 2447148. Its totient is φ = 2447146.

The previous prime is 2447141. The next prime is 2447153. The reversal of 2447147 is 7417442.

It is a balanced prime because it is at equal distance from previous prime (2447141) and next prime (2447153).

It is a cyclic number.

It is not a de Polignac number, because 2447147 - 2⁸ = 2446891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2447141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223573 + 1223574.

It is an arithmetic number, because the mean of its divisors is an integer number (1223574).

2^2447147 is an apocalyptic number.

2447147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447147 is an equidigital number, since it uses as much as digits as its factorization.

2447147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 29.

The square root of 2447147 is about 1564.3359613587. The cubic root of 2447147 is about 134.7576263836.

The spelling of 2447147 in words is "two million, four hundred forty-seven thousand, one hundred forty-seven".