65320147 has 2 divisors, whose sum is σ = 65320148. Its totient is φ = 65320146.

The previous prime is 65320117. The next prime is 65320153. The reversal of 65320147 is 74102356.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65320147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65320117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32660073 + 32660074.

It is an arithmetic number, because the mean of its divisors is an integer number (32660074).

Almost surely, 2^65320147 is an apocalyptic number.

65320147 is a deficient number, since it is larger than the sum of its proper divisors (1).

65320147 is an equidigital number, since it uses as much as digits as its factorization.

65320147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 65320147 is about 8082.0880346604. The cubic root of 65320147 is about 402.7316095596.

The spelling of 65320147 in words is "sixty-five million, three hundred twenty thousand, one hundred forty-seven".