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65975297 is a prime number
BaseRepresentation
bin1111101110101…
…1010000000001
311121010220002112
43323223100001
5113342202142
610314025105
71430531543
oct373532001
9147126075
1065975297
1134272243
121a118195
131088c94b
148a95693
155bd3382
hex3eeb401

65975297 has 2 divisors, whose sum is σ = 65975298. Its totient is φ = 65975296.

The previous prime is 65975291. The next prime is 65975303. The reversal of 65975297 is 79257956.

65975297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (65975291) and next prime (65975303).

It can be written as a sum of positive squares in only one way, i.e., 34210801 + 31764496 = 5849^2 + 5636^2 .

It is a cyclic number.

It is not a de Polignac number, because 65975297 - 220 = 64926721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65975291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32987648 + 32987649.

It is an arithmetic number, because the mean of its divisors is an integer number (32987649).

Almost surely, 265975297 is an apocalyptic number.

It is an amenable number.

65975297 is a deficient number, since it is larger than the sum of its proper divisors (1).

65975297 is an equidigital number, since it uses as much as digits as its factorization.

65975297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 50.

The square root of 65975297 is about 8122.5178977950. The cubic root of 65975297 is about 404.0735761986.

The spelling of 65975297 in words is "sixty-five million, nine hundred seventy-five thousand, two hundred ninety-seven".