65567243 has 6 divisors (see below), whose sum is σ = 76272156. Its totient is φ = 56200452.

The previous prime is 65567237. The next prime is 65567251. The reversal of 65567243 is 34276556.

It is not a de Polignac number, because 65567243 - 2⁸ = 65566987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65567197 and 65567206.

It is not an unprimeable number, because it can be changed into a prime (65564243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669005 + ... + 669102.

It is an arithmetic number, because the mean of its divisors is an integer number (12712026).

Almost surely, 2^65567243 is an apocalyptic number.

65567243 is a deficient number, since it is larger than the sum of its proper divisors (10704913).

65567243 is a wasteful number, since it uses less digits than its factorization.

65567243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338121 (or 1338114 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 65567243 is about 8097.3602488712. The cubic root of 65567243 is about 403.2387943318.

The spelling of 65567243 in words is "sixty-five million, five hundred sixty-seven thousand, two hundred forty-three".