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258019271 is a prime number
BaseRepresentation
bin11110110000100…
…00111111000111
3122222111201220022
433120100333013
51012023104041
641334125355
76252061526
oct1730207707
9588451808
10258019271
11122710774
12724b085b
13415bc833
14263a64bd
15179ba24b
hexf610fc7

258019271 has 2 divisors, whose sum is σ = 258019272. Its totient is φ = 258019270.

The previous prime is 258019261. The next prime is 258019283. The reversal of 258019271 is 172910852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258019271 - 26 = 258019207 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258019261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129009635 + 129009636.

It is an arithmetic number, because the mean of its divisors is an integer number (129009636).

Almost surely, 2258019271 is an apocalyptic number.

258019271 is a deficient number, since it is larger than the sum of its proper divisors (1).

258019271 is an equidigital number, since it uses as much as digits as its factorization.

258019271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 258019271 is about 16062.9782730352. The cubic root of 258019271 is about 636.6255259120.

The spelling of 258019271 in words is "two hundred fifty-eight million, nineteen thousand, two hundred seventy-one".