64018133 has 2 divisors, whose sum is σ = 64018134. Its totient is φ = 64018132.

The previous prime is 64018121. The next prime is 64018139. The reversal of 64018133 is 33181046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 305809 = 7982^2 + 553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64018133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64018139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32009066 + 32009067.

It is an arithmetic number, because the mean of its divisors is an integer number (32009067).

Almost surely, 2^64018133 is an apocalyptic number.

It is an amenable number.

64018133 is a deficient number, since it is larger than the sum of its proper divisors (1).

64018133 is an equidigital number, since it uses as much as digits as its factorization.

64018133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 64018133 is about 8001.1332322365. The cubic root of 64018133 is about 400.0377735161.

Adding to 64018133 its reverse (33181046), we get a palindrome (97199179).

The spelling of 64018133 in words is "sixty-four million, eighteen thousand, one hundred thirty-three".