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258066079 is a prime number
BaseRepresentation
bin11110110000111…
…00011010011111
3122222121010002221
433120130122133
51012031103304
641335130211
76252345145
oct1730343237
9588533087
10258066079
11122742957
1272513967
1341607c2b
14263b9595
15179c9054
hexf61c69f

258066079 has 2 divisors, whose sum is σ = 258066080. Its totient is φ = 258066078.

The previous prime is 258066077. The next prime is 258066119. The reversal of 258066079 is 970660852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258066079 - 21 = 258066077 is a prime.

It is a super-2 number, since 2×2580660792 = 133196202260868482, which contains 22 as substring.

Together with 258066077, 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 (258066077) 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, 129033039 + 129033040.

It is an arithmetic number, because the mean of its divisors is an integer number (129033040).

Almost surely, 2258066079 is an apocalyptic number.

258066079 is a deficient number, since it is larger than the sum of its proper divisors (1).

258066079 is an equidigital number, since it uses as much as digits as its factorization.

258066079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 258066079 is about 16064.4352219429. The cubic root of 258066079 is about 636.6640209253.

The spelling of 258066079 in words is "two hundred fifty-eight million, sixty-six thousand, seventy-nine".