26200261 has 2 divisors, whose sum is σ = 26200262. Its totient is φ = 26200260.

The previous prime is 26200241. The next prime is 26200313. The reversal of 26200261 is 16200262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 10439361 = 3970^2 + 3231^2 .

It is a cyclic number.

It is not a de Polignac number, because 26200261 - 2⁹ = 26199749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26200231) 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, 13100130 + 13100131.

It is an arithmetic number, because the mean of its divisors is an integer number (13100131).

Almost surely, 2^26200261 is an apocalyptic number.

It is an amenable number.

26200261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26200261 is an equidigital number, since it uses as much as digits as its factorization.

26200261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 26200261 is about 5118.6190520491. The cubic root of 26200261 is about 297.0082680115.

Subtracting from 26200261 its reverse (16200262), we obtain a palindrome (9999999).

The spelling of 26200261 in words is "twenty-six million, two hundred thousand, two hundred sixty-one".