26104181 has 2 divisors, whose sum is σ = 26104182. Its totient is φ = 26104180.

The previous prime is 26104171. The next prime is 26104189. The reversal of 26104181 is 18140162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15928081 + 10176100 = 3991^2 + 3190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26104181 is a prime.

It is a super-2 number, since 2×26104181² = 1362856531361522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26104189) 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, 13052090 + 13052091.

It is an arithmetic number, because the mean of its divisors is an integer number (13052091).

Almost surely, 2^26104181 is an apocalyptic number.

It is an amenable number.

26104181 is a deficient number, since it is larger than the sum of its proper divisors (1).

26104181 is an equidigital number, since it uses as much as digits as its factorization.

26104181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 26104181 is about 5109.2250880148. The cubic root of 26104181 is about 296.6447664401.

The spelling of 26104181 in words is "twenty-six million, one hundred four thousand, one hundred eighty-one".