64516147 has 2 divisors, whose sum is σ = 64516148. Its totient is φ = 64516146.

The previous prime is 64516141. The next prime is 64516163. The reversal of 64516147 is 74161546.

64516147 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 is a cyclic number.

It is not a de Polignac number, because 64516147 - 2⁷ = 64516019 is a prime.

It is not a weakly prime, because it can be changed into another prime (64516141) 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, 32258073 + 32258074.

It is an arithmetic number, because the mean of its divisors is an integer number (32258074).

Almost surely, 2^64516147 is an apocalyptic number.

64516147 is a deficient number, since it is larger than the sum of its proper divisors (1).

64516147 is an equidigital number, since it uses as much as digits as its factorization.

64516147 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 64516147 is about 8032.1944075078. The cubic root of 64516147 is about 401.0724284236.

The spelling of 64516147 in words is "sixty-four million, five hundred sixteen thousand, one hundred forty-seven".