28310963 has 2 divisors, whose sum is σ = 28310964. Its totient is φ = 28310962.

The previous prime is 28310959. The next prime is 28310983. The reversal of 28310963 is 36901382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28310963 - 2² = 28310959 is a prime.

It is not a weakly prime, because it can be changed into another prime (28310903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14155481 + 14155482.

It is an arithmetic number, because the mean of its divisors is an integer number (14155482).

Almost surely, 2^28310963 is an apocalyptic number.

28310963 is a deficient number, since it is larger than the sum of its proper divisors (1).

28310963 is an equidigital number, since it uses as much as digits as its factorization.

28310963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 28310963 is about 5320.8047323690. The cubic root of 28310963 is about 304.7788883854.

The spelling of 28310963 in words is "twenty-eight million, three hundred ten thousand, nine hundred sixty-three".