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13235161 is a prime number
BaseRepresentation
bin110010011111…
…001111011001
3220220102020011
4302133033121
511342011121
61151401521
7220332322
oct62371731
926812204
1013235161
11751a855
1245232a1
132985274
141a87449
1512667e1
hexc9f3d9

13235161 has 2 divisors, whose sum is σ = 13235162. Its totient is φ = 13235160.

The previous prime is 13235147. The next prime is 13235179. The reversal of 13235161 is 16153231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 1089936 = 3485^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 13235161 - 223 = 4846553 is a prime.

It is not a weakly prime, because it can be changed into another prime (13235461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617580 + 6617581.

It is an arithmetic number, because the mean of its divisors is an integer number (6617581).

Almost surely, 213235161 is an apocalyptic number.

It is an amenable number.

13235161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13235161 is an equidigital number, since it uses as much as digits as its factorization.

13235161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 22.

The square root of 13235161 is about 3638.0160802283. The cubic root of 13235161 is about 236.5428052088.

Adding to 13235161 its reverse (16153231), we get a palindrome (29388392).

The spelling of 13235161 in words is "thirteen million, two hundred thirty-five thousand, one hundred sixty-one".