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85250573 is a prime number
BaseRepresentation
bin1010001010011…
…01001000001101
312221102011210122
411011031020031
5133311004243
612243114325
72053421642
oct505151015
9187364718
1085250573
1144138021
12246729a5
131487b235
14b471dc9
15773e668
hex514d20d

85250573 has 2 divisors, whose sum is σ = 85250574. Its totient is φ = 85250572.

The previous prime is 85250567. The next prime is 85250647. The reversal of 85250573 is 37505258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 40921609 = 6658^2 + 6397^2 .

It is a cyclic number.

It is not a de Polignac number, because 85250573 - 26 = 85250509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85250533) 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, 42625286 + 42625287.

It is an arithmetic number, because the mean of its divisors is an integer number (42625287).

Almost surely, 285250573 is an apocalyptic number.

It is an amenable number.

85250573 is a deficient number, since it is larger than the sum of its proper divisors (1).

85250573 is an equidigital number, since it uses as much as digits as its factorization.

85250573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 85250573 is about 9233.1236859472. The cubic root of 85250573 is about 440.1145930868.

The spelling of 85250573 in words is "eighty-five million, two hundred fifty thousand, five hundred seventy-three".