65434331 has 2 divisors, whose sum is σ = 65434332. Its totient is φ = 65434330.

The previous prime is 65434307. The next prime is 65434349. The reversal of 65434331 is 13343456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65434331 - 2¹⁰ = 65433307 is a prime.

It is a super-2 number, since 2×65434331² = 8563303346835122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65434294 and 65434303.

It is not a weakly prime, because it can be changed into another prime (65434301) 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, 32717165 + 32717166.

It is an arithmetic number, because the mean of its divisors is an integer number (32717166).

Almost surely, 2^65434331 is an apocalyptic number.

65434331 is a deficient number, since it is larger than the sum of its proper divisors (1).

65434331 is an equidigital number, since it uses as much as digits as its factorization.

65434331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 65434331 is about 8089.1489663623. The cubic root of 65434331 is about 402.9661402466.

Adding to 65434331 its reverse (13343456), we get a palindrome (78777787).

The spelling of 65434331 in words is "sixty-five million, four hundred thirty-four thousand, three hundred thirty-one".