65134273 has 2 divisors, whose sum is σ = 65134274. Its totient is φ = 65134272.

The previous prime is 65134271. The next prime is 65134283. The reversal of 65134273 is 37243156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64915249 + 219024 = 8057^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 65134273 - 2¹ = 65134271 is a prime.

Together with 65134271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65134271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32567136 + 32567137.

It is an arithmetic number, because the mean of its divisors is an integer number (32567137).

Almost surely, 2^65134273 is an apocalyptic number.

It is an amenable number.

65134273 is a deficient number, since it is larger than the sum of its proper divisors (1).

65134273 is an equidigital number, since it uses as much as digits as its factorization.

65134273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 65134273 is about 8070.5807102091. The cubic root of 65134273 is about 402.3492443661.

The spelling of 65134273 in words is "sixty-five million, one hundred thirty-four thousand, two hundred seventy-three".