65304121 has 16 divisors (see below), whose sum is σ = 70329600. Its totient is φ = 60455808.

The previous prime is 65304079. The next prime is 65304139. The reversal of 65304121 is 12140356.

It is a cyclic number.

It is not a de Polignac number, because 65304121 - 2¹¹ = 65302073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65304092 and 65304101.

It is not an unprimeable number, because it can be changed into a prime (65304721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273120 + ... + 273358.

It is an arithmetic number, because the mean of its divisors is an integer number (4395600).

Almost surely, 2^65304121 is an apocalyptic number.

It is an amenable number.

65304121 is a deficient number, since it is larger than the sum of its proper divisors (5025479).

65304121 is a wasteful number, since it uses less digits than its factorization.

65304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 65304121 is about 8081.0965221311. The cubic root of 65304121 is about 402.6986707448.

Adding to 65304121 its reverse (12140356), we get a palindrome (77444477).

The spelling of 65304121 in words is "sixty-five million, three hundred four thousand, one hundred twenty-one".