4947143 has 2 divisors, whose sum is σ = 4947144. Its totient is φ = 4947142.

The previous prime is 4947121. The next prime is 4947167. The reversal of 4947143 is 3417494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4947143 - 2¹⁴ = 4930759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4947043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2473571 + 2473572.

It is an arithmetic number, because the mean of its divisors is an integer number (2473572).

Almost surely, 2^4947143 is an apocalyptic number.

4947143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4947143 is an equidigital number, since it uses as much as digits as its factorization.

4947143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 4947143 is about 2224.2173904544. The cubic root of 4947143 is about 170.3928974792.

The spelling of 4947143 in words is "four million, nine hundred forty-seven thousand, one hundred forty-three".