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133201297 is a prime number
BaseRepresentation
bin1111111000001…
…11110110010001
3100021122022211101
413330013312101
5233044420142
621114544401
73205122655
oct774076621
9307568741
10133201297
1169209119
1238738101
1321799948
1413994a65
15ba620b7
hex7f07d91

133201297 has 2 divisors, whose sum is σ = 133201298. Its totient is φ = 133201296.

The previous prime is 133201279. The next prime is 133201309. The reversal of 133201297 is 792102331.

Together with previous prime (133201279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132733441 + 467856 = 11521^2 + 684^2 .

It is a cyclic number.

It is not a de Polignac number, because 133201297 - 211 = 133199249 is a prime.

It is not a weakly prime, because it can be changed into another prime (133201697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66600648 + 66600649.

It is an arithmetic number, because the mean of its divisors is an integer number (66600649).

Almost surely, 2133201297 is an apocalyptic number.

It is an amenable number.

133201297 is a deficient number, since it is larger than the sum of its proper divisors (1).

133201297 is an equidigital number, since it uses as much as digits as its factorization.

133201297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 133201297 is about 11541.2866267154. The cubic root of 133201297 is about 510.7042647543.

The spelling of 133201297 in words is "one hundred thirty-three million, two hundred one thousand, two hundred ninety-seven".