5009947 has 2 divisors, whose sum is σ = 5009948. Its totient is φ = 5009946.

The previous prime is 5009909. The next prime is 5009957. The reversal of 5009947 is 7499005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5009947 is a prime.

It is a super-4 number, since 4×5009947⁴ (a number of 28 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (5009957) 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, 2504973 + 2504974.

It is an arithmetic number, because the mean of its divisors is an integer number (2504974).

Almost surely, 2^5009947 is an apocalyptic number.

5009947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5009947 is an equidigital number, since it uses as much as digits as its factorization.

5009947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 5009947 is about 2238.2910892018. The cubic root of 5009947 is about 171.1109137601.

The spelling of 5009947 in words is "five million, nine thousand, nine hundred forty-seven".