65251133 has 2 divisors, whose sum is σ = 65251134. Its totient is φ = 65251132.

The previous prime is 65251103. The next prime is 65251159. The reversal of 65251133 is 33115256.

It is an a-pointer prime, because the next prime (65251159) can be obtained adding 65251133 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 19377604 = 6773^2 + 4402^2 .

It is a cyclic number.

It is not a de Polignac number, because 65251133 - 2¹⁰ = 65250109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65251103) 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, 32625566 + 32625567.

It is an arithmetic number, because the mean of its divisors is an integer number (32625567).

Almost surely, 2^65251133 is an apocalyptic number.

It is an amenable number.

65251133 is a deficient number, since it is larger than the sum of its proper divisors (1).

65251133 is an equidigital number, since it uses as much as digits as its factorization.

65251133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 26.

The square root of 65251133 is about 8077.8173413367. The cubic root of 65251133 is about 402.5897242203.

Adding to 65251133 its reverse (33115256), we get a palindrome (98366389).

The spelling of 65251133 in words is "sixty-five million, two hundred fifty-one thousand, one hundred thirty-three".