65133469 has 2 divisors, whose sum is σ = 65133470. Its totient is φ = 65133468.

The previous prime is 65133407. The next prime is 65133473. The reversal of 65133469 is 96433156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 28676025 = 6038^2 + 5355^2 .

It is a cyclic number.

It is not a de Polignac number, because 65133469 - 2¹¹ = 65131421 is a prime.

It is a super-2 number, since 2×65133469² = 8484737567947922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65133169) 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, 32566734 + 32566735.

It is an arithmetic number, because the mean of its divisors is an integer number (32566735).

Almost surely, 2^65133469 is an apocalyptic number.

It is an amenable number.

65133469 is a deficient number, since it is larger than the sum of its proper divisors (1).

65133469 is an equidigital number, since it uses as much as digits as its factorization.

65133469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 65133469 is about 8070.5308995134. The cubic root of 65133469 is about 402.3475888622.

The spelling of 65133469 in words is "sixty-five million, one hundred thirty-three thousand, four hundred sixty-nine".