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1036681 is a prime number
BaseRepresentation
bin11111101000110001001
31221200001121
43331012021
5231133211
634115241
711545252
oct3750611
91850047
101036681
11648968
1241bb21
132a3b29
141cdb29
15157271
hexfd189

1036681 has 2 divisors, whose sum is σ = 1036682. Its totient is φ = 1036680.

The previous prime is 1036669. The next prime is 1036729. The reversal of 1036681 is 1866301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 46656 = 995^2 + 216^2 .

It is an emirp because it is prime and its reverse (1866301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1036681 - 25 = 1036649 is a prime.

It is a super-2 number, since 2×10366812 = 2149414991522, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1036631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518340 + 518341.

It is an arithmetic number, because the mean of its divisors is an integer number (518341).

21036681 is an apocalyptic number.

It is an amenable number.

1036681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036681 is an equidigital number, since it uses as much as digits as its factorization.

1036681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1036681 is about 1018.1753287131. The cubic root of 1036681 is about 101.2080474470.

The spelling of 1036681 in words is "one million, thirty-six thousand, six hundred eighty-one".