65124133 has 2 divisors, whose sum is σ = 65124134. Its totient is φ = 65124132.

The previous prime is 65124131. The next prime is 65124139. The reversal of 65124133 is 33142156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53611684 + 11512449 = 7322^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 65124133 - 2¹ = 65124131 is a prime.

Together with 65124131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 65124098 and 65124107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65124131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32562066 + 32562067.

It is an arithmetic number, because the mean of its divisors is an integer number (32562067).

Almost surely, 2^65124133 is an apocalyptic number.

It is an amenable number.

65124133 is a deficient number, since it is larger than the sum of its proper divisors (1).

65124133 is an equidigital number, since it uses as much as digits as its factorization.

65124133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 65124133 is about 8069.9524781748. The cubic root of 65124133 is about 402.3283642524.

Adding to 65124133 its reverse (33142156), we get a palindrome (98266289).

The spelling of 65124133 in words is "sixty-five million, one hundred twenty-four thousand, one hundred thirty-three".