65134081 has 2 divisors, whose sum is σ = 65134082. Its totient is φ = 65134080.

The previous prime is 65134079. The next prime is 65134103. The reversal of 65134081 is 18043156.

65134081 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 can be written as a sum of positive squares in only one way, i.e., 41280625 + 23853456 = 6425^2 + 4884^2 .

It is a cyclic number.

It is not a de Polignac number, because 65134081 - 2¹ = 65134079 is a prime.

It is a super-2 number, since 2×65134081² = 8484897015429122, which contains 22 as substring.

Together with 65134079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65134681) 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, 32567040 + 32567041.

It is an arithmetic number, because the mean of its divisors is an integer number (32567041).

Almost surely, 2^65134081 is an apocalyptic number.

It is an amenable number.

65134081 is a deficient number, since it is larger than the sum of its proper divisors (1).

65134081 is an equidigital number, since it uses as much as digits as its factorization.

65134081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 65134081 is about 8070.5688151456. The cubic root of 65134081 is about 402.3488490231.

The spelling of 65134081 in words is "sixty-five million, one hundred thirty-four thousand, eighty-one".