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255275311 is a prime number
BaseRepresentation
bin11110011011100…
…11000100101111
3122210100022220011
433031303010233
51010322302221
641155234051
76216542614
oct1715630457
9583308804
10255275311
11121107135
12715a8927
1340b6b8a5
1425c9050b
15176271e1
hexf37312f

255275311 has 2 divisors, whose sum is σ = 255275312. Its totient is φ = 255275310.

The previous prime is 255275309. The next prime is 255275323. The reversal of 255275311 is 113572552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255275311 - 21 = 255275309 is a prime.

It is a super-2 number, since 2×2552753112 = 130330968812293442, which contains 22 as substring.

Together with 255275309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255270311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127637655 + 127637656.

It is an arithmetic number, because the mean of its divisors is an integer number (127637656).

Almost surely, 2255275311 is an apocalyptic number.

255275311 is a deficient number, since it is larger than the sum of its proper divisors (1).

255275311 is an equidigital number, since it uses as much as digits as its factorization.

255275311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 255275311 is about 15977.3374189819. The cubic root of 255275311 is about 634.3607024077.

The spelling of 255275311 in words is "two hundred fifty-five million, two hundred seventy-five thousand, three hundred eleven".