65364321 has 24 divisors (see below), whose sum is σ = 99973440. Its totient is φ = 37887520.

The previous prime is 65364319. The next prime is 65364331. The reversal of 65364321 is 12346356.

65364321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65364321 - 2¹ = 65364319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65364331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4435 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (4165560).

Almost surely, 2^65364321 is an apocalyptic number.

It is an amenable number.

65364321 is a deficient number, since it is larger than the sum of its proper divisors (34609119).

65364321 is a wasteful number, since it uses less digits than its factorization.

65364321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877 (or 7866 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 65364321 is about 8084.8204061686. The cubic root of 65364321 is about 402.8223740895.

The spelling of 65364321 in words is "sixty-five million, three hundred sixty-four thousand, three hundred twenty-one".