Search a number
-
+
26271061 is a prime number
BaseRepresentation
bin110010000110…
…1110101010101
31211102201010021
41210031311111
523211133221
62335025141
7436205005
oct144156525
954381107
1026271061
1113913923
12896b1b1
13559a90b
1436bc005
15248e041
hex190dd55

26271061 has 2 divisors, whose sum is σ = 26271062. Its totient is φ = 26271060.

The previous prime is 26271059. The next prime is 26271067. The reversal of 26271061 is 16017262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 5202961 = 4590^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 26271061 - 21 = 26271059 is a prime.

Together with 26271059, it forms a pair of twin primes.

It is equal to p1640338 and since 26271061 and 1640338 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26271067) 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, 13135530 + 13135531.

It is an arithmetic number, because the mean of its divisors is an integer number (13135531).

Almost surely, 226271061 is an apocalyptic number.

It is an amenable number.

26271061 is a deficient number, since it is larger than the sum of its proper divisors (1).

26271061 is an equidigital number, since it uses as much as digits as its factorization.

26271061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 26271061 is about 5125.5303140261. The cubic root of 26271061 is about 297.2755588925.

The spelling of 26271061 in words is "twenty-six million, two hundred seventy-one thousand, sixty-one".