4542947 has 2 divisors, whose sum is σ = 4542948. Its totient is φ = 4542946.

The previous prime is 4542913. The next prime is 4542953. The reversal of 4542947 is 7492454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4542947 - 2⁶ = 4542883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4542977) 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, 2271473 + 2271474.

It is an arithmetic number, because the mean of its divisors is an integer number (2271474).

Almost surely, 2^4542947 is an apocalyptic number.

4542947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542947 is an equidigital number, since it uses as much as digits as its factorization.

4542947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 4542947 is about 2131.4190108939. The cubic root of 4542947 is about 165.6199147365.

The spelling of 4542947 in words is "four million, five hundred forty-two thousand, nine hundred forty-seven".