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65275229 is a prime number
BaseRepresentation
bin1111100100000…
…0010101011101
311112211022210002
43321000111131
5113202301404
610251024045
71421554535
oct371002535
9145738702
1065275229
1133934278
1219a3b025
13106a60c6
1489524c5
155ae5c1e
hex3e4055d

65275229 has 2 divisors, whose sum is σ = 65275230. Its totient is φ = 65275228.

The previous prime is 65275207. The next prime is 65275283. The reversal of 65275229 is 92257256.

65275229 is digitally balanced in base 2, 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., 64032004 + 1243225 = 8002^2 + 1115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65275229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65275192 and 65275201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65275829) 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, 32637614 + 32637615.

It is an arithmetic number, because the mean of its divisors is an integer number (32637615).

Almost surely, 265275229 is an apocalyptic number.

It is an amenable number.

65275229 is a deficient number, since it is larger than the sum of its proper divisors (1).

65275229 is an equidigital number, since it uses as much as digits as its factorization.

65275229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 65275229 is about 8079.3086956744. The cubic root of 65275229 is about 402.6392743593.

The spelling of 65275229 in words is "sixty-five million, two hundred seventy-five thousand, two hundred twenty-nine".