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8320001 is a prime number
BaseRepresentation
bin11111101111010000000001
3120122200220012
4133233100001
54112220001
6454154305
7130501364
oct37572001
916580805
108320001
114772a38
122952995
131953ca1
1411680db
15ae52bb
hex7ef401

8320001 has 2 divisors, whose sum is σ = 8320002. Its totient is φ = 8320000.

The previous prime is 8319977. The next prime is 8320033. The reversal of 8320001 is 1000238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 1560001 = 2600^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 8320001 - 26 = 8319937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8320051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160000 + 4160001.

It is an arithmetic number, because the mean of its divisors is an integer number (4160001).

Almost surely, 28320001 is an apocalyptic number.

It is an amenable number.

8320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8320001 is an equidigital number, since it uses as much as digits as its factorization.

8320001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 8320001 is about 2884.4411937150. The cubic root of 8320001 is about 202.6318888823.

Adding to 8320001 its reverse (1000238), we get a palindrome (9320239).

The spelling of 8320001 in words is "eight million, three hundred twenty thousand, one".