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1070681 is a prime number
BaseRepresentation
bin100000101011001011001
32000101200212
410011121121
5233230211
634540505
712046343
oct4053131
92011625
101070681
11671467
12437735
132b6451
141dc293
1516238b
hex105659

1070681 has 2 divisors, whose sum is σ = 1070682. Its totient is φ = 1070680.

The previous prime is 1070659. The next prime is 1070683. The reversal of 1070681 is 1860701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 80656 = 995^2 + 284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1070681 is a prime.

It is a super-2 number, since 2×10706812 = 2292715607522, which contains 22 as substring.

Together with 1070683, 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 (1070683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535340 + 535341.

It is an arithmetic number, because the mean of its divisors is an integer number (535341).

21070681 is an apocalyptic number.

It is an amenable number.

1070681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070681 is an equidigital number, since it uses as much as digits as its factorization.

1070681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1070681 is about 1034.7371646945. The cubic root of 1070681 is about 102.3026064229.

The spelling of 1070681 in words is "one million, seventy thousand, six hundred eighty-one".