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1064681 is a prime number
BaseRepresentation
bin100000011111011101001
32000002110122
410003323221
5233032211
634453025
712023012
oct4037351
92002418
101064681
11667a02
12434175
132b37b7
141da009
151606db
hex103ee9

1064681 has 2 divisors, whose sum is σ = 1064682. Its totient is φ = 1064680.

The previous prime is 1064671. The next prime is 1064689. The reversal of 1064681 is 1864601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 225625 = 916^2 + 475^2 .

It is an emirp because it is prime and its reverse (1864601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1064681 is a prime.

It is a super-2 number, since 2×10646812 = 2267091263522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1064681.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064689) 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, 532340 + 532341.

It is an arithmetic number, because the mean of its divisors is an integer number (532341).

21064681 is an apocalyptic number.

It is an amenable number.

1064681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064681 is an equidigital number, since it uses as much as digits as its factorization.

1064681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1064681 is about 1031.8338044472. The cubic root of 1064681 is about 102.1111501408. Note that the first 4 decimals are identical.

The spelling of 1064681 in words is "one million, sixty-four thousand, six hundred eighty-one".