4245947 has 2 divisors, whose sum is σ = 4245948. Its totient is φ = 4245946.

The previous prime is 4245929. The next prime is 4245973. The reversal of 4245947 is 7495424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4245947 - 2¹² = 4241851 is a prime.

It is a d-powerful number, because it can be written as 4 + 2¹⁵ + 4⁷ + 5 + 9² + 4¹¹ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (4245907) 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, 2122973 + 2122974.

It is an arithmetic number, because the mean of its divisors is an integer number (2122974).

Almost surely, 2^4245947 is an apocalyptic number.

4245947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245947 is an equidigital number, since it uses as much as digits as its factorization.

4245947 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 4245947 is about 2060.5695814507. The cubic root of 4245947 is about 161.9290829161.

The spelling of 4245947 in words is "four million, two hundred forty-five thousand, nine hundred forty-seven".