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105861097 is a prime number
BaseRepresentation
bin1100100111101…
…00111111101001
321101012022010101
412103310333221
5204100023342
614300545401
72423542636
oct623647751
9241168111
10105861097
1154835011
122b552261
1318c16504
14100b918d
1594613b7
hex64f4fe9

105861097 has 2 divisors, whose sum is σ = 105861098. Its totient is φ = 105861096.

The previous prime is 105861089. The next prime is 105861113. The reversal of 105861097 is 790168501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74321641 + 31539456 = 8621^2 + 5616^2 .

It is an emirp because it is prime and its reverse (790168501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105861097 - 23 = 105861089 is a prime.

It is a super-2 number, since 2×1058610972 = 22413143716086818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105861037) 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, 52930548 + 52930549.

It is an arithmetic number, because the mean of its divisors is an integer number (52930549).

Almost surely, 2105861097 is an apocalyptic number.

It is an amenable number.

105861097 is a deficient number, since it is larger than the sum of its proper divisors (1).

105861097 is an equidigital number, since it uses as much as digits as its factorization.

105861097 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 37.

The square root of 105861097 is about 10288.8822036215. The cubic root of 105861097 is about 473.0555368670.

The spelling of 105861097 in words is "one hundred five million, eight hundred sixty-one thousand, ninety-seven".