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85012033 is a prime number
BaseRepresentation
bin1010001000100…
…10111001000001
312220222001120211
411010102321001
5133230341113
612234034121
72051406331
oct504227101
9186861524
1085012033
1143a94887
1224578941
13147c67a2
14b40d0c1
1576e3b3d
hex5112e41

85012033 has 2 divisors, whose sum is σ = 85012034. Its totient is φ = 85012032.

The previous prime is 85012007. The next prime is 85012127. The reversal of 85012033 is 33021058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 14837904 = 8377^2 + 3852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85012033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85011995 and 85012013.

It is not a weakly prime, because it can be changed into another prime (85012133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42506016 + 42506017.

It is an arithmetic number, because the mean of its divisors is an integer number (42506017).

Almost surely, 285012033 is an apocalyptic number.

It is an amenable number.

85012033 is a deficient number, since it is larger than the sum of its proper divisors (1).

85012033 is an equidigital number, since it uses as much as digits as its factorization.

85012033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 85012033 is about 9220.1970152486. The cubic root of 85012033 is about 439.7037141002.

The spelling of 85012033 in words is "eighty-five million, twelve thousand, thirty-three".