26045197 has 2 divisors, whose sum is σ = 26045198. Its totient is φ = 26045196.

The previous prime is 26045171. The next prime is 26045213. The reversal of 26045197 is 79154062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21353641 + 4691556 = 4621^2 + 2166^2 .

It is a cyclic number.

It is not a de Polignac number, because 26045197 - 2⁷ = 26045069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26045147) 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, 13022598 + 13022599.

It is an arithmetic number, because the mean of its divisors is an integer number (13022599).

Almost surely, 2^26045197 is an apocalyptic number.

It is an amenable number.

26045197 is a deficient number, since it is larger than the sum of its proper divisors (1).

26045197 is an equidigital number, since it uses as much as digits as its factorization.

26045197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 26045197 is about 5103.4495196876. The cubic root of 26045197 is about 296.4211689226.

The spelling of 26045197 in words is "twenty-six million, forty-five thousand, one hundred ninety-seven".