65216941 has 2 divisors, whose sum is σ = 65216942. Its totient is φ = 65216940.

The previous prime is 65216917. The next prime is 65216951. The reversal of 65216941 is 14961256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59675625 + 5541316 = 7725^2 + 2354^2 .

It is a cyclic number.

It is not a de Polignac number, because 65216941 - 2¹⁹ = 64692653 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65216897 and 65216906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65216951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32608470 + 32608471.

It is an arithmetic number, because the mean of its divisors is an integer number (32608471).

Almost surely, 2^65216941 is an apocalyptic number.

It is an amenable number.

65216941 is a deficient number, since it is larger than the sum of its proper divisors (1).

65216941 is an equidigital number, since it uses as much as digits as its factorization.

65216941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 65216941 is about 8075.7006507176. The cubic root of 65216941 is about 402.5193920932.

The spelling of 65216941 in words is "sixty-five million, two hundred sixteen thousand, nine hundred forty-one".