26557241 has 2 divisors, whose sum is σ = 26557242. Its totient is φ = 26557240.

The previous prime is 26557207. The next prime is 26557277. The reversal of 26557241 is 14275562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26419600 + 137641 = 5140^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 26557241 - 2⁶ = 26557177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_1657193 and since 26557241 and 1657193 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 26557198 and 26557207.

It is not a weakly prime, because it can be changed into another prime (26557541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13278620 + 13278621.

It is an arithmetic number, because the mean of its divisors is an integer number (13278621).

Almost surely, 2^26557241 is an apocalyptic number.

It is an amenable number.

26557241 is a deficient number, since it is larger than the sum of its proper divisors (1).

26557241 is an equidigital number, since it uses as much as digits as its factorization.

26557241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 26557241 is about 5153.3718088258. The cubic root of 26557241 is about 298.3511056136.

The spelling of 26557241 in words is "twenty-six million, five hundred fifty-seven thousand, two hundred forty-one".