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80605097 is a prime number
BaseRepresentation
bin1001100110111…
…10111110101001
312121200011101222
410303132332221
5131113330342
611555351425
71666063166
oct463367651
9177604358
1080605097
1141554891
1222bb2575
1313912931
14a9c306d
157122ed2
hex4cdefa9

80605097 has 2 divisors, whose sum is σ = 80605098. Its totient is φ = 80605096.

The previous prime is 80605073. The next prime is 80605117. The reversal of 80605097 is 79050608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 609961 = 8944^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 80605097 - 28 = 80604841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80605027) 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, 40302548 + 40302549.

It is an arithmetic number, because the mean of its divisors is an integer number (40302549).

Almost surely, 280605097 is an apocalyptic number.

It is an amenable number.

80605097 is a deficient number, since it is larger than the sum of its proper divisors (1).

80605097 is an equidigital number, since it uses as much as digits as its factorization.

80605097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 80605097 is about 8978.0341389416. The cubic root of 80605097 is about 431.9705787719.

The spelling of 80605097 in words is "eighty million, six hundred five thousand, ninety-seven".