65984101 has 2 divisors, whose sum is σ = 65984102. Its totient is φ = 65984100.

The previous prime is 65984081. The next prime is 65984137. The reversal of 65984101 is 10148956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55577025 + 10407076 = 7455^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 65984101 - 2¹³ = 65975909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65987101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32992050 + 32992051.

It is an arithmetic number, because the mean of its divisors is an integer number (32992051).

Almost surely, 2^65984101 is an apocalyptic number.

It is an amenable number.

65984101 is a deficient number, since it is larger than the sum of its proper divisors (1).

65984101 is an equidigital number, since it uses as much as digits as its factorization.

65984101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 65984101 is about 8123.0598298917. The cubic root of 65984101 is about 404.0915491152.

The spelling of 65984101 in words is "sixty-five million, nine hundred eighty-four thousand, one hundred one".