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25768679 is a prime number
BaseRepresentation
bin110001001001…
…1001011100111
31210111011222112
41202103023213
523044044204
62320151235
7432013226
oct142231347
953434875
1025768679
1113600432
12876851b
135453051
1435cacbd
1523e026e
hex18932e7

25768679 has 2 divisors, whose sum is σ = 25768680. Its totient is φ = 25768678.

The previous prime is 25768667. The next prime is 25768697. The reversal of 25768679 is 97686752.

Together with next prime (25768697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25768679 - 28 = 25768423 is a prime.

It is a super-3 number, since 3×257686793 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25768609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12884339 + 12884340.

It is an arithmetic number, because the mean of its divisors is an integer number (12884340).

Almost surely, 225768679 is an apocalyptic number.

25768679 is a deficient number, since it is larger than the sum of its proper divisors (1).

25768679 is an equidigital number, since it uses as much as digits as its factorization.

25768679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The square root of 25768679 is about 5076.2859454526. The cubic root of 25768679 is about 295.3684145536.

The spelling of 25768679 in words is "twenty-five million, seven hundred sixty-eight thousand, six hundred seventy-nine".