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11725169 is a prime number
BaseRepresentation
bin101100101110…
…100101110001
3211001200220112
4230232211301
511000201134
61055151105
7201443111
oct54564561
924050815
1011725169
116689325
123b15495
132576b91
1417b3041
1510691ce
hexb2e971

11725169 has 2 divisors, whose sum is σ = 11725170. Its totient is φ = 11725168.

The previous prime is 11725163. The next prime is 11725177. The reversal of 11725169 is 96152711.

11725169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 3659569 = 2840^2 + 1913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11725169 is a prime.

It is a super-2 number, since 2×117251692 = 274959176157122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11725163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862584 + 5862585.

It is an arithmetic number, because the mean of its divisors is an integer number (5862585).

Almost surely, 211725169 is an apocalyptic number.

It is an amenable number.

11725169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725169 is an equidigital number, since it uses as much as digits as its factorization.

11725169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 32.

The square root of 11725169 is about 3424.2034110140. The cubic root of 11725169 is about 227.1815388793.

The spelling of 11725169 in words is "eleven million, seven hundred twenty-five thousand, one hundred sixty-nine".