8165473 has 2 divisors, whose sum is σ = 8165474. Its totient is φ = 8165472.

The previous prime is 8165471. The next prime is 8165503. The reversal of 8165473 is 3745618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4809249 + 3356224 = 2193^2 + 1832^2 .

It is a cyclic number.

It is not a de Polignac number, because 8165473 - 2¹ = 8165471 is a prime.

Together with 8165471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8165471) 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, 4082736 + 4082737.

It is an arithmetic number, because the mean of its divisors is an integer number (4082737).

Almost surely, 2^8165473 is an apocalyptic number.

It is an amenable number.

8165473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8165473 is an equidigital number, since it uses as much as digits as its factorization.

8165473 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 8165473 is about 2857.5291774538. The cubic root of 8165473 is about 201.3695420333.

The spelling of 8165473 in words is "eight million, one hundred sixty-five thousand, four hundred seventy-three".