963520321 has 2 divisors, whose sum is σ = 963520322. Its totient is φ = 963520320.

The previous prime is 963520297. The next prime is 963520399. The reversal of 963520321 is 123025369.

963520321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881436721 + 82083600 = 29689^2 + 9060^2 .

It is a cyclic number.

It is not a de Polignac number, because 963520321 - 2¹¹ = 963518273 is a prime.

It is not a weakly prime, because it can be changed into another prime (963520721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481760160 + 481760161.

It is an arithmetic number, because the mean of its divisors is an integer number (481760161).

Almost surely, 2^963520321 is an apocalyptic number.

It is an amenable number.

963520321 is a deficient number, since it is larger than the sum of its proper divisors (1).

963520321 is an equidigital number, since it uses as much as digits as its factorization.

963520321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 963520321 is about 31040.6237211819. The cubic root of 963520321 is about 987.6891724537.

It can be divided in two parts, 963 and 520321, that added together give a square (521284 = 722²).

The spelling of 963520321 in words is "nine hundred sixty-three million, five hundred twenty thousand, three hundred twenty-one".