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85812697 is a prime number
BaseRepresentation
bin1010001110101…
…10010111011001
312222110201220001
411013112113121
5133432001242
612303133001
72061252535
oct507262731
9188421801
1085812697
1144491393
12248a4161
1314a17059
14b57abc5
157800eb7
hex51d65d9

85812697 has 2 divisors, whose sum is σ = 85812698. Its totient is φ = 85812696.

The previous prime is 85812691. The next prime is 85812703. The reversal of 85812697 is 79621858.

It is a balanced prime because it is at equal distance from previous prime (85812691) and next prime (85812703).

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 23386896 = 7901^2 + 4836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85812697 is a prime.

It is not a weakly prime, because it can be changed into another prime (85812691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42906348 + 42906349.

It is an arithmetic number, because the mean of its divisors is an integer number (42906349).

Almost surely, 285812697 is an apocalyptic number.

It is an amenable number.

85812697 is a deficient number, since it is larger than the sum of its proper divisors (1).

85812697 is an equidigital number, since it uses as much as digits as its factorization.

85812697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 85812697 is about 9263.5142899442. The cubic root of 85812697 is about 441.0798151171.

The spelling of 85812697 in words is "eighty-five million, eight hundred twelve thousand, six hundred ninety-seven".