9245947 has 2 divisors, whose sum is σ = 9245948. Its totient is φ = 9245946.

The previous prime is 9245927. The next prime is 9245959. The reversal of 9245947 is 7495429.

It is a strong prime.

It is an emirp because it is prime and its reverse (7495429) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9245947 is a prime.

It is not a weakly prime, because it can be changed into another prime (9245927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4622973 + 4622974.

It is an arithmetic number, because the mean of its divisors is an integer number (4622974).

Almost surely, 2^9245947 is an apocalyptic number.

9245947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9245947 is an equidigital number, since it uses as much as digits as its factorization.

9245947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 9245947 is about 3040.7148830497. The cubic root of 9245947 is about 209.8861590085.

The spelling of 9245947 in words is "nine million, two hundred forty-five thousand, nine hundred forty-seven".