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679297 is a prime number
BaseRepresentation
bin10100101110110000001
31021111211011
42211312001
5133214142
622320521
75526313
oct2456601
91244734
10679297
11424403
12289141
131aa268
141397b3
15d6417
hexa5d81

679297 has 2 divisors, whose sum is σ = 679298. Its totient is φ = 679296.

The previous prime is 679279. The next prime is 679309. The reversal of 679297 is 792976.

Together with previous prime (679279) 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., 361201 + 318096 = 601^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 679297 - 27 = 679169 is a prime.

It is a super-2 number, since 2×6792972 = 922888828418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (679207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339648 + 339649.

It is an arithmetic number, because the mean of its divisors is an integer number (339649).

2679297 is an apocalyptic number.

It is an amenable number.

679297 is a deficient number, since it is larger than the sum of its proper divisors (1).

679297 is an equidigital number, since it uses as much as digits as its factorization.

679297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 40.

The square root of 679297 is about 824.1947585371. The cubic root of 679297 is about 87.9062793545.

It can be divided in two parts, 6792 and 97, that added together give a square (6889 = 832).

The spelling of 679297 in words is "six hundred seventy-nine thousand, two hundred ninety-seven".