65004473 has 2 divisors, whose sum is σ = 65004474. Its totient is φ = 65004472.

The previous prime is 65004403. The next prime is 65004497. The reversal of 65004473 is 37440056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64850809 + 153664 = 8053^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 65004473 - 2⁸ = 65004217 is a prime.

It is not a weakly prime, because it can be changed into another prime (65004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32502236 + 32502237.

It is an arithmetic number, because the mean of its divisors is an integer number (32502237).

Almost surely, 2^65004473 is an apocalyptic number.

It is an amenable number.

65004473 is a deficient number, since it is larger than the sum of its proper divisors (1).

65004473 is an equidigital number, since it uses as much as digits as its factorization.

65004473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 65004473 is about 8062.5351472102. The cubic root of 65004473 is about 402.0817985737.

The spelling of 65004473 in words is "sixty-five million, four thousand, four hundred seventy-three".