65383973 has 2 divisors, whose sum is σ = 65383974. Its totient is φ = 65383972.

The previous prime is 65383931. The next prime is 65384017. The reversal of 65383973 is 37938356.

It is an a-pointer prime, because the next prime (65384017) can be obtained adding 65383973 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64995844 + 388129 = 8062^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 65383973 - 2¹⁸ = 65121829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65383873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32691986 + 32691987.

It is an arithmetic number, because the mean of its divisors is an integer number (32691987).

Almost surely, 2^65383973 is an apocalyptic number.

It is an amenable number.

65383973 is a deficient number, since it is larger than the sum of its proper divisors (1).

65383973 is an equidigital number, since it uses as much as digits as its factorization.

65383973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 65383973 is about 8086.0356788726. The cubic root of 65383973 is about 402.8627400055.

The spelling of 65383973 in words is "sixty-five million, three hundred eighty-three thousand, nine hundred seventy-three".