65475217 has 2 divisors, whose sum is σ = 65475218. Its totient is φ = 65475216.

The previous prime is 65475209. The next prime is 65475247. The reversal of 65475217 is 71257456.

65475217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64899136 + 576081 = 8056^2 + 759^2 .

It is a cyclic number.

It is not a de Polignac number, because 65475217 - 2³ = 65475209 is a prime.

It is not a weakly prime, because it can be changed into another prime (65475247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32737608 + 32737609.

It is an arithmetic number, because the mean of its divisors is an integer number (32737609).

Almost surely, 2^65475217 is an apocalyptic number.

It is an amenable number.

65475217 is a deficient number, since it is larger than the sum of its proper divisors (1).

65475217 is an equidigital number, since it uses as much as digits as its factorization.

65475217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 37.

The square root of 65475217 is about 8091.6757844096. The cubic root of 65475217 is about 403.0500525854.

The spelling of 65475217 in words is "sixty-five million, four hundred seventy-five thousand, two hundred seventeen".