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65008219 is a prime number
BaseRepresentation
bin1111011111111…
…1001001011011
311112022202111211
43313333021123
5113120230334
610241203551
71416363223
oct367771133
9145282454
1065008219
1133771701
12199305b7
1310611703
1488c3083
155a91a64
hex3dff25b

65008219 has 2 divisors, whose sum is σ = 65008220. Its totient is φ = 65008218.

The previous prime is 65008201. The next prime is 65008243. The reversal of 65008219 is 91280056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65008219 - 211 = 65006171 is a prime.

It is a super-2 number, since 2×650082192 = 8452137075103922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65008259) 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, 32504109 + 32504110.

It is an arithmetic number, because the mean of its divisors is an integer number (32504110).

Almost surely, 265008219 is an apocalyptic number.

65008219 is a deficient number, since it is larger than the sum of its proper divisors (1).

65008219 is an equidigital number, since it uses as much as digits as its factorization.

65008219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 65008219 is about 8062.7674529283. The cubic root of 65008219 is about 402.0895219883.

The spelling of 65008219 in words is "sixty-five million, eight thousand, two hundred nineteen".