65545793 has 2 divisors, whose sum is σ = 65545794. Its totient is φ = 65545792.

The previous prime is 65545787. The next prime is 65545807. The reversal of 65545793 is 39754556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 10608049 = 7412^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 65545793 - 2⁶ = 65545729 is a prime.

It is not a weakly prime, because it can be changed into another prime (65545703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32772896 + 32772897.

It is an arithmetic number, because the mean of its divisors is an integer number (32772897).

Almost surely, 2^65545793 is an apocalyptic number.

It is an amenable number.

65545793 is a deficient number, since it is larger than the sum of its proper divisors (1).

65545793 is an equidigital number, since it uses as much as digits as its factorization.

65545793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 44.

The square root of 65545793 is about 8096.0356348030. The cubic root of 65545793 is about 403.1948170085.

The spelling of 65545793 in words is "sixty-five million, five hundred forty-five thousand, seven hundred ninety-three".