65530243 has 8 divisors (see below), whose sum is σ = 69205248. Its totient is φ = 61924104.

The previous prime is 65530211. The next prime is 65530247. The reversal of 65530243 is 34203556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65530243 - 2⁵ = 65530211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65530247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15255 + ... + 19072.

It is an arithmetic number, because the mean of its divisors is an integer number (8650656).

Almost surely, 2^65530243 is an apocalyptic number.

65530243 is a deficient number, since it is larger than the sum of its proper divisors (3675005).

65530243 is a wasteful number, since it uses less digits than its factorization.

65530243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34433.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 65530243 is about 8095.0752312749. The cubic root of 65530243 is about 403.1629300128.

Adding to 65530243 its reverse (34203556), we get a palindrome (99733799).

The spelling of 65530243 in words is "sixty-five million, five hundred thirty thousand, two hundred forty-three".