5047639 has 2 divisors, whose sum is σ = 5047640. Its totient is φ = 5047638.

The previous prime is 5047631. The next prime is 5047643. The reversal of 5047639 is 9367405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5047639 - 2³ = 5047631 is a prime.

5047639 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5047631) 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, 2523819 + 2523820.

It is an arithmetic number, because the mean of its divisors is an integer number (2523820).

Almost surely, 2^5047639 is an apocalyptic number.

5047639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5047639 is an equidigital number, since it uses as much as digits as its factorization.

5047639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 5047639 is about 2246.6951284053. The cubic root of 5047639 is about 171.5389559243.

The spelling of 5047639 in words is "five million, forty-seven thousand, six hundred thirty-nine".