4972147 has 2 divisors, whose sum is σ = 4972148. Its totient is φ = 4972146.

The previous prime is 4972127. The next prime is 4972151. The reversal of 4972147 is 7412794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4972147 is a prime.

It is not a weakly prime, because it can be changed into another prime (4972127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486073 + 2486074.

It is an arithmetic number, because the mean of its divisors is an integer number (2486074).

Almost surely, 2^4972147 is an apocalyptic number.

4972147 is a deficient number, since it is larger than the sum of its proper divisors (1).

4972147 is an equidigital number, since it uses as much as digits as its factorization.

4972147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 4972147 is about 2229.8311595276. The cubic root of 4972147 is about 170.6794835108.

The spelling of 4972147 in words is "four million, nine hundred seventy-two thousand, one hundred forty-seven".