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258112859 is a prime number
BaseRepresentation
bin11110110001001…
…11110101011011
3122222200111021112
433120213311123
51012034102414
641340130535
76252631424
oct1730476533
9588614245
10258112859
11122775014
1272536a4b
1341623304
14263cc64b
15179d7d3e
hexf627d5b

258112859 has 2 divisors, whose sum is σ = 258112860. Its totient is φ = 258112858.

The previous prime is 258112843. The next prime is 258112909. The reversal of 258112859 is 958211852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258112859 - 24 = 258112843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258112559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129056429 + 129056430.

It is an arithmetic number, because the mean of its divisors is an integer number (129056430).

Almost surely, 2258112859 is an apocalyptic number.

258112859 is a deficient number, since it is larger than the sum of its proper divisors (1).

258112859 is an equidigital number, since it uses as much as digits as its factorization.

258112859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 41.

The square root of 258112859 is about 16065.8911673147. The cubic root of 258112859 is about 636.7024882610.

The spelling of 258112859 in words is "two hundred fifty-eight million, one hundred twelve thousand, eight hundred fifty-nine".