5423947 has 2 divisors, whose sum is σ = 5423948. Its totient is φ = 5423946.

The previous prime is 5423921. The next prime is 5423959. The reversal of 5423947 is 7493245.

5423947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5423947 - 2⁷ = 5423819 is a prime.

It is not a weakly prime, because it can be changed into another prime (5421947) 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, 2711973 + 2711974.

It is an arithmetic number, because the mean of its divisors is an integer number (2711974).

Almost surely, 2^5423947 is an apocalyptic number.

5423947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423947 is an equidigital number, since it uses as much as digits as its factorization.

5423947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 5423947 is about 2328.9368819270. The cubic root of 5423947 is about 175.7000205914.

It can be divided in two parts, 542 and 3947, that added together give a square (4489 = 67²).

The spelling of 5423947 in words is "five million, four hundred twenty-three thousand, nine hundred forty-seven".