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85754533 is a prime number
BaseRepresentation
bin1010001110010…
…00001010100101
312222100210002211
411013020022211
5133423121113
612302003421
72060621134
oct507101245
9188323084
1085754533
1144451717
1224876571
13149c6737
14b56391b
1577ddb3d
hex51c82a5

85754533 has 2 divisors, whose sum is σ = 85754534. Its totient is φ = 85754532.

The previous prime is 85754531. The next prime is 85754549. The reversal of 85754533 is 33545758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84603204 + 1151329 = 9198^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 85754533 - 21 = 85754531 is a prime.

Together with 85754531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85754531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42877266 + 42877267.

It is an arithmetic number, because the mean of its divisors is an integer number (42877267).

Almost surely, 285754533 is an apocalyptic number.

It is an amenable number.

85754533 is a deficient number, since it is larger than the sum of its proper divisors (1).

85754533 is an equidigital number, since it uses as much as digits as its factorization.

85754533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 40.

The square root of 85754533 is about 9260.3743444852. The cubic root of 85754533 is about 440.9801376965.

The spelling of 85754533 in words is "eighty-five million, seven hundred fifty-four thousand, five hundred thirty-three".