26003161 has 2 divisors, whose sum is σ = 26003162. Its totient is φ = 26003160.

The previous prime is 26003059. The next prime is 26003167. The reversal of 26003161 is 16130062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20985561 + 5017600 = 4581^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 26003161 - 2⁹ = 26002649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26003167) 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, 13001580 + 13001581.

It is an arithmetic number, because the mean of its divisors is an integer number (13001581).

Almost surely, 2^26003161 is an apocalyptic number.

It is an amenable number.

26003161 is a deficient number, since it is larger than the sum of its proper divisors (1).

26003161 is an equidigital number, since it uses as much as digits as its factorization.

26003161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 26003161 is about 5099.3294657239. The cubic root of 26003161 is about 296.2616120595.

The spelling of 26003161 in words is "twenty-six million, three thousand, one hundred sixty-one".