26854019 has 2 divisors, whose sum is σ = 26854020. Its totient is φ = 26854018.

The previous prime is 26854013. The next prime is 26854039. The reversal of 26854019 is 91045862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26854019 - 2¹² = 26849923 is a prime.

It is a super-2 number, since 2×26854019² = 1442276672904722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26854019.

It is not a weakly prime, because it can be changed into another prime (26854013) 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, 13427009 + 13427010.

It is an arithmetic number, because the mean of its divisors is an integer number (13427010).

Almost surely, 2^26854019 is an apocalyptic number.

26854019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26854019 is an equidigital number, since it uses as much as digits as its factorization.

26854019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 26854019 is about 5182.0863558995. The cubic root of 26854019 is about 299.4583522773.

The spelling of 26854019 in words is "twenty-six million, eight hundred fifty-four thousand, nineteen".