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255085001 is a prime number
BaseRepresentation
bin11110011010001…
…00100111001001
3122202222122211122
433031010213021
51010300210001
641151205025
76215121023
oct1715044711
9582878748
10255085001
11120a97156
1271516775
1340b03092
1425c41013
15175dab1b
hexf3449c9

255085001 has 2 divisors, whose sum is σ = 255085002. Its totient is φ = 255085000.

The previous prime is 255084997. The next prime is 255085003. The reversal of 255085001 is 100580552.

255085001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222606400 + 32478601 = 14920^2 + 5699^2 .

It is a cyclic number.

It is not a de Polignac number, because 255085001 - 22 = 255084997 is a prime.

Together with 255085003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255085003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127542500 + 127542501.

It is an arithmetic number, because the mean of its divisors is an integer number (127542501).

Almost surely, 2255085001 is an apocalyptic number.

It is an amenable number.

255085001 is a deficient number, since it is larger than the sum of its proper divisors (1).

255085001 is an equidigital number, since it uses as much as digits as its factorization.

255085001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 255085001 is about 15971.3806854636. The cubic root of 255085001 is about 634.2030227144.

The spelling of 255085001 in words is "two hundred fifty-five million, eighty-five thousand, one".