8163457 has 2 divisors, whose sum is σ = 8163458. Its totient is φ = 8163456.

The previous prime is 8163427. The next prime is 8163473. The reversal of 8163457 is 7543618.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8116801 + 46656 = 2849^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 8163457 - 2⁷ = 8163329 is a prime.

It is not a weakly prime, because it can be changed into another prime (8163427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081728 + 4081729.

It is an arithmetic number, because the mean of its divisors is an integer number (4081729).

Almost surely, 2^8163457 is an apocalyptic number.

It is an amenable number.

8163457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163457 is an equidigital number, since it uses as much as digits as its factorization.

8163457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 8163457 is about 2857.1764033745. The cubic root of 8163457 is about 201.3529684104.

The spelling of 8163457 in words is "eight million, one hundred sixty-three thousand, four hundred fifty-seven".