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85353811 is a prime number
BaseRepresentation
bin1010001011001…
…10010101010011
312221121102102021
411011212111103
5133322310221
612245232311
72054331634
oct505462523
9187542367
1085353811
11441a8644
1224702697
13148b621a
14b49b88b
157760041
hex5166553

85353811 has 2 divisors, whose sum is σ = 85353812. Its totient is φ = 85353810.

The previous prime is 85353799. The next prime is 85353893. The reversal of 85353811 is 11835358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85353811 - 27 = 85353683 is a prime.

It is not a weakly prime, because it can be changed into another prime (85353211) 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, 42676905 + 42676906.

It is an arithmetic number, because the mean of its divisors is an integer number (42676906).

Almost surely, 285353811 is an apocalyptic number.

85353811 is a deficient number, since it is larger than the sum of its proper divisors (1).

85353811 is an equidigital number, since it uses as much as digits as its factorization.

85353811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 85353811 is about 9238.7126267679. The cubic root of 85353811 is about 440.2921802472.

The spelling of 85353811 in words is "eighty-five million, three hundred fifty-three thousand, eight hundred eleven".