65530969 has 16 divisors (see below), whose sum is σ = 76480768. Its totient is φ = 54991872.

The previous prime is 65530961. The next prime is 65530987. The reversal of 65530969 is 96903556.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65530969 - 2³ = 65530961 is a prime.

It is a super-2 number, since 2×65530969² = 8588615796157922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65530961) 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 in 15 ways as a sum of consecutive naturals, for example, 69469 + ... + 70405.

It is an arithmetic number, because the mean of its divisors is an integer number (4780048).

Almost surely, 2^65530969 is an apocalyptic number.

It is an amenable number.

65530969 is a deficient number, since it is larger than the sum of its proper divisors (10949799).

65530969 is a wasteful number, since it uses less digits than its factorization.

65530969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 65530969 is about 8095.1200732293. The cubic root of 65530969 is about 403.1644188684.

The spelling of 65530969 in words is "sixty-five million, five hundred thirty thousand, nine hundred sixty-nine".