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10661653 is a prime number
BaseRepresentation
bin101000101010…
…111100010101
3202001200001001
4220222330111
510212133103
61020303301
7156423352
oct50527425
922050031
1010661653
116022292
1236a1b31
132293a92
1415b7629
15e0901d
hexa2af15

10661653 has 2 divisors, whose sum is σ = 10661654. Its totient is φ = 10661652.

The previous prime is 10661611. The next prime is 10661671. The reversal of 10661653 is 35616601.

10661653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 47089 = 3258^2 + 217^2 .

It is an emirp because it is prime and its reverse (35616601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10661653 is a prime.

It is a super-2 number, since 2×106616532 = 227341689384818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10661683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330826 + 5330827.

It is an arithmetic number, because the mean of its divisors is an integer number (5330827).

Almost surely, 210661653 is an apocalyptic number.

It is an amenable number.

10661653 is a deficient number, since it is larger than the sum of its proper divisors (1).

10661653 is an equidigital number, since it uses as much as digits as its factorization.

10661653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 10661653 is about 3265.2186756786. The cubic root of 10661653 is about 220.0939887659.

The spelling of 10661653 in words is "ten million, six hundred sixty-one thousand, six hundred fifty-three".