65328143 has 2 divisors, whose sum is σ = 65328144. Its totient is φ = 65328142.

The previous prime is 65328121. The next prime is 65328173. The reversal of 65328143 is 34182356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65328143 - 2¹⁶ = 65262607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65328173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32664071 + 32664072.

It is an arithmetic number, because the mean of its divisors is an integer number (32664072).

Almost surely, 2^65328143 is an apocalyptic number.

65328143 is a deficient number, since it is larger than the sum of its proper divisors (1).

65328143 is an equidigital number, since it uses as much as digits as its factorization.

65328143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 65328143 is about 8082.5826936691. The cubic root of 65328143 is about 402.7480420117.

The spelling of 65328143 in words is "sixty-five million, three hundred twenty-eight thousand, one hundred forty-three".