65027569 has 4 divisors (see below), whose sum is σ = 65044720. Its totient is φ = 65010420.

The previous prime is 65027563. The next prime is 65027581. The reversal of 65027569 is 96572056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65027569 - 2³ = 65027561 is a prime.

It is a super-2 number, since 2×65027569² = 8457169460099522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65027561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (16261180).

Almost surely, 2^65027569 is an apocalyptic number.

It is an amenable number.

65027569 is a deficient number, since it is larger than the sum of its proper divisors (17151).

65027569 is a wasteful number, since it uses less digits than its factorization.

65027569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17150.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 65027569 is about 8063.9673238425. The cubic root of 65027569 is about 402.1294126387.

The spelling of 65027569 in words is "sixty-five million, twenty-seven thousand, five hundred sixty-nine".