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85008533 is a prime number
BaseRepresentation
bin1010001000100…
…10000010010101
312220221212210012
411010102002111
5133230233113
612234010005
72051363201
oct504220225
9186855705
1085008533
1143a92195
1224576905
13147c500c
14b40bb01
1576e2aa8
hex5112095

85008533 has 2 divisors, whose sum is σ = 85008534. Its totient is φ = 85008532.

The previous prime is 85008491. The next prime is 85008589. The reversal of 85008533 is 33580058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49463089 + 35545444 = 7033^2 + 5962^2 .

It is a cyclic number.

It is not a de Polignac number, because 85008533 - 222 = 80814229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85008533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85008433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42504266 + 42504267.

It is an arithmetic number, because the mean of its divisors is an integer number (42504267).

Almost surely, 285008533 is an apocalyptic number.

It is an amenable number.

85008533 is a deficient number, since it is larger than the sum of its proper divisors (1).

85008533 is an equidigital number, since it uses as much as digits as its factorization.

85008533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 85008533 is about 9220.0072125785. The cubic root of 85008533 is about 439.6976797226.

The spelling of 85008533 in words is "eighty-five million, eight thousand, five hundred thirty-three".