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255159251 is a prime number
BaseRepresentation
bin11110011010101…
…10101111010011
3122210010102200122
433031112233103
51010310044001
641152540455
76215550344
oct1715265723
9583112618
10255159251
11121037a16
127155172b
1340b2ab09
1425c600cb
1517602b1b
hexf356bd3

255159251 has 2 divisors, whose sum is σ = 255159252. Its totient is φ = 255159250.

The previous prime is 255159241. The next prime is 255159271. The reversal of 255159251 is 152951552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255159251 - 210 = 255158227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255159211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127579625 + 127579626.

It is an arithmetic number, because the mean of its divisors is an integer number (127579626).

Almost surely, 2255159251 is an apocalyptic number.

255159251 is a deficient number, since it is larger than the sum of its proper divisors (1).

255159251 is an equidigital number, since it uses as much as digits as its factorization.

255159251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22500, while the sum is 35.

The square root of 255159251 is about 15973.7049866335. The cubic root of 255159251 is about 634.2645512324.

The spelling of 255159251 in words is "two hundred fifty-five million, one hundred fifty-nine thousand, two hundred fifty-one".