65795281 has 2 divisors, whose sum is σ = 65795282. Its totient is φ = 65795280.

The previous prime is 65795231. The next prime is 65795311. The reversal of 65795281 is 18259756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65529025 + 266256 = 8095^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 65795281 - 2¹⁹ = 65270993 is a prime.

It is a super-2 number, since 2×65795281² = 8658038003737922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65795231) 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, 32897640 + 32897641.

It is an arithmetic number, because the mean of its divisors is an integer number (32897641).

Almost surely, 2^65795281 is an apocalyptic number.

It is an amenable number.

65795281 is a deficient number, since it is larger than the sum of its proper divisors (1).

65795281 is an equidigital number, since it uses as much as digits as its factorization.

65795281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 65795281 is about 8111.4290356262. The cubic root of 65795281 is about 403.7057316147.

The spelling of 65795281 in words is "sixty-five million, seven hundred ninety-five thousand, two hundred eighty-one".