4972897 has 2 divisors, whose sum is σ = 4972898. Its totient is φ = 4972896.

The previous prime is 4972867. The next prime is 4972909. The reversal of 4972897 is 7982794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 1700416 = 1809^2 + 1304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4972897 is a prime.

4972897 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4972867) 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, 2486448 + 2486449.

It is an arithmetic number, because the mean of its divisors is an integer number (2486449).

Almost surely, 2^4972897 is an apocalyptic number.

It is an amenable number.

4972897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4972897 is an equidigital number, since it uses as much as digits as its factorization.

4972897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 4972897 is about 2229.9993273542. Note that the first 3 decimals coincide. The cubic root of 4972897 is about 170.6880648592.

The spelling of 4972897 in words is "four million, nine hundred seventy-two thousand, eight hundred ninety-seven".