65133799 has 2 divisors, whose sum is σ = 65133800. Its totient is φ = 65133798.

The previous prime is 65133793. The next prime is 65133853. The reversal of 65133799 is 99733156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65133799 - 2¹⁷ = 65002727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65133793) 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, 32566899 + 32566900.

It is an arithmetic number, because the mean of its divisors is an integer number (32566900).

Almost surely, 2^65133799 is an apocalyptic number.

65133799 is a deficient number, since it is larger than the sum of its proper divisors (1).

65133799 is an equidigital number, since it uses as much as digits as its factorization.

65133799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 43.

The square root of 65133799 is about 8070.5513442391. The cubic root of 65133799 is about 402.3482683617.

The spelling of 65133799 in words is "sixty-five million, one hundred thirty-three thousand, seven hundred ninety-nine".