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83085251 is a prime number
BaseRepresentation
bin1001111001111…
…00011111000011
312210100011112112
410330330133003
5132232212001
612124445535
72026133024
oct474743703
9183304475
1083085251
11429991a7
12239a98ab
13142a0792
14b06ac4b
157462cbb
hex4f3c7c3

83085251 has 2 divisors, whose sum is σ = 83085252. Its totient is φ = 83085250.

The previous prime is 83085221. The next prime is 83085281. The reversal of 83085251 is 15258038.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (83085221) and next prime (83085281).

It is a cyclic number.

It is not a de Polignac number, because 83085251 - 210 = 83084227 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83085221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41542625 + 41542626.

It is an arithmetic number, because the mean of its divisors is an integer number (41542626).

Almost surely, 283085251 is an apocalyptic number.

83085251 is a deficient number, since it is larger than the sum of its proper divisors (1).

83085251 is an equidigital number, since it uses as much as digits as its factorization.

83085251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 83085251 is about 9115.1111348134. Note that the first 4 decimals coincide. The cubic root of 83085251 is about 436.3563617803.

The spelling of 83085251 in words is "eighty-three million, eighty-five thousand, two hundred fifty-one".