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68558597 is a prime number
BaseRepresentation
bin1000001011000…
…01111100000101
311210000010201022
410011201330011
5120022333342
610445240525
71461511202
oct405417405
9153003638
1068558597
11357770a8
121ab63145
1311285723
149168ca9
1560439d2
hex4161f05

68558597 has 2 divisors, whose sum is σ = 68558598. Its totient is φ = 68558596.

The previous prime is 68558591. The next prime is 68558599. The reversal of 68558597 is 79585586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61999876 + 6558721 = 7874^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 68558597 - 28 = 68558341 is a prime.

Together with 68558599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68558591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34279298 + 34279299.

It is an arithmetic number, because the mean of its divisors is an integer number (34279299).

Almost surely, 268558597 is an apocalyptic number.

It is an amenable number.

68558597 is a deficient number, since it is larger than the sum of its proper divisors (1).

68558597 is an equidigital number, since it uses as much as digits as its factorization.

68558597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 53.

The square root of 68558597 is about 8280.0118961267. The cubic root of 68558597 is about 409.2801109211.

The spelling of 68558597 in words is "sixty-eight million, five hundred fifty-eight thousand, five hundred ninety-seven".