8642303 has 2 divisors, whose sum is σ = 8642304. Its totient is φ = 8642302.

The previous prime is 8642281. The next prime is 8642329. The reversal of 8642303 is 3032468.

It is an a-pointer prime, because the next prime (8642329) can be obtained adding 8642303 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8642303 - 2¹² = 8638207 is a prime.

It is a super-2 number, since 2×8642303² = 149378802287618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8642383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4321151 + 4321152.

It is an arithmetic number, because the mean of its divisors is an integer number (4321152).

Almost surely, 2^8642303 is an apocalyptic number.

8642303 is a deficient number, since it is larger than the sum of its proper divisors (1).

8642303 is an equidigital number, since it uses as much as digits as its factorization.

8642303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 8642303 is about 2939.7794134935. The cubic root of 8642303 is about 205.2153438084.

The spelling of 8642303 in words is "eight million, six hundred forty-two thousand, three hundred three".