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82530541 is a prime number
BaseRepresentation
bin1001110101101…
…01000011101101
312202021222121201
410322311003231
5132111434131
612104525501
72021332552
oct472650355
9182258551
1082530541
114264a465
1223780891
1314138152
14ad64a29
1573a3761
hex4eb50ed

82530541 has 2 divisors, whose sum is σ = 82530542. Its totient is φ = 82530540.

The previous prime is 82530523. The next prime is 82530551. The reversal of 82530541 is 14503528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68128516 + 14402025 = 8254^2 + 3795^2 .

It is a cyclic number.

It is not a de Polignac number, because 82530541 - 211 = 82528493 is a prime.

It is a super-2 number, since 2×825305412 = 13622580395505362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82530551) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41265270 + 41265271.

It is an arithmetic number, because the mean of its divisors is an integer number (41265271).

Almost surely, 282530541 is an apocalyptic number.

It is an amenable number.

82530541 is a deficient number, since it is larger than the sum of its proper divisors (1).

82530541 is an equidigital number, since it uses as much as digits as its factorization.

82530541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 82530541 is about 9084.6321334438. The cubic root of 82530541 is about 435.3830966979.

The spelling of 82530541 in words is "eighty-two million, five hundred thirty thousand, five hundred forty-one".