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257119259 is a prime number
BaseRepresentation
bin11110101001101…
…01010000011011
3122220211000022112
433110311100123
51011310304014
641302542535
76241322555
oct1724652033
9586730275
10257119259
11122156561
1272137a4b
1341365c97
14262104d5
151788d73e
hexf53541b

257119259 has 2 divisors, whose sum is σ = 257119260. Its totient is φ = 257119258.

The previous prime is 257119217. The next prime is 257119273. The reversal of 257119259 is 952911752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 257119259 - 224 = 240342043 is a prime.

It is a super-2 number, since 2×2571192592 = 132220626697418162, which contains 22 as substring.

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 (257119279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128559629 + 128559630.

It is an arithmetic number, because the mean of its divisors is an integer number (128559630).

Almost surely, 2257119259 is an apocalyptic number.

257119259 is a deficient number, since it is larger than the sum of its proper divisors (1).

257119259 is an equidigital number, since it uses as much as digits as its factorization.

257119259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 41.

The square root of 257119259 is about 16034.9386964840. The cubic root of 257119259 is about 635.8844467559.

The spelling of 257119259 in words is "two hundred fifty-seven million, one hundred nineteen thousand, two hundred fifty-nine".