8536321 has 2 divisors, whose sum is σ = 8536322. Its totient is φ = 8536320.

The previous prime is 8536313. The next prime is 8536343. The reversal of 8536321 is 1236358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7485696 + 1050625 = 2736^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 8536321 - 2³ = 8536313 is a prime.

8536321 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8536321.

It is not a weakly prime, because it can be changed into another prime (8536351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4268160 + 4268161.

It is an arithmetic number, because the mean of its divisors is an integer number (4268161).

Almost surely, 2^8536321 is an apocalyptic number.

It is an amenable number.

8536321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8536321 is an equidigital number, since it uses as much as digits as its factorization.

8536321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 8536321 is about 2921.6983074917. The cubic root of 8536321 is about 204.3730279092.

The spelling of 8536321 in words is "eight million, five hundred thirty-six thousand, three hundred twenty-one".