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67055297 is a prime number
BaseRepresentation
bin1111111111001…
…0111011000001
311200011202120112
43333302323001
5114131232142
610353121105
71442650331
oct377627301
9150152515
1067055297
113493a701
121a559195
1310b7a3ba
148c970c1
155d48382
hex3ff2ec1

67055297 has 2 divisors, whose sum is σ = 67055298. Its totient is φ = 67055296.

The previous prime is 67055291. The next prime is 67055299. The reversal of 67055297 is 79255076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 14984641 = 7216^2 + 3871^2 .

It is a cyclic number.

It is not a de Polignac number, because 67055297 - 214 = 67038913 is a prime.

Together with 67055299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67055291) 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, 33527648 + 33527649.

It is an arithmetic number, because the mean of its divisors is an integer number (33527649).

Almost surely, 267055297 is an apocalyptic number.

It is an amenable number.

67055297 is a deficient number, since it is larger than the sum of its proper divisors (1).

67055297 is an equidigital number, since it uses as much as digits as its factorization.

67055297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 67055297 is about 8188.7298770933. The cubic root of 67055297 is about 406.2665163463.

The spelling of 67055297 in words is "sixty-seven million, fifty-five thousand, two hundred ninety-seven".