65845331 has 2 divisors, whose sum is σ = 65845332. Its totient is φ = 65845330.

The previous prime is 65845321. The next prime is 65845337. The reversal of 65845331 is 13354856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65845331 - 2¹⁰ = 65844307 is a prime.

It is a super-2 number, since 2×65845331² = 8671215228999122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65845291 and 65845300.

It is not a weakly prime, because it can be changed into another prime (65845337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32922665 + 32922666.

It is an arithmetic number, because the mean of its divisors is an integer number (32922666).

Almost surely, 2^65845331 is an apocalyptic number.

65845331 is a deficient number, since it is larger than the sum of its proper divisors (1).

65845331 is an equidigital number, since it uses as much as digits as its factorization.

65845331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 65845331 is about 8114.5136021822. The cubic root of 65845331 is about 403.8080710244.

The spelling of 65845331 in words is "sixty-five million, eight hundred forty-five thousand, three hundred thirty-one".