8575321 has 2 divisors, whose sum is σ = 8575322. Its totient is φ = 8575320.

The previous prime is 8575247. The next prime is 8575331. The reversal of 8575321 is 1235758.

It is the 1196-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4575321 + 4000000 = 2139^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 8575321 - 2⁹ = 8574809 is a prime.

It is a super-2 number, since 2×8575321² = 147072260506082, which contains 22 as substring.

It is a Chen prime.

8575321 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8575331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4287660 + 4287661.

It is an arithmetic number, because the mean of its divisors is an integer number (4287661).

Almost surely, 2^8575321 is an apocalyptic number.

It is an amenable number.

8575321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8575321 is an equidigital number, since it uses as much as digits as its factorization.

8575321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 31.

The square root of 8575321 is about 2928.3649021254. The cubic root of 8575321 is about 204.6837956830.

The spelling of 8575321 in words is "eight million, five hundred seventy-five thousand, three hundred twenty-one".