26257841 has 2 divisors, whose sum is σ = 26257842. Its totient is φ = 26257840.

The previous prime is 26257817. The next prime is 26257853. The reversal of 26257841 is 14875262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26050816 + 207025 = 5104^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 26257841 - 2¹⁰ = 26256817 is a prime.

It is not a weakly prime, because it can be changed into another prime (26257801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13128920 + 13128921.

It is an arithmetic number, because the mean of its divisors is an integer number (13128921).

Almost surely, 2^26257841 is an apocalyptic number.

It is an amenable number.

26257841 is a deficient number, since it is larger than the sum of its proper divisors (1).

26257841 is an equidigital number, since it uses as much as digits as its factorization.

26257841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 26257841 is about 5124.2405290931. The cubic root of 26257841 is about 297.2256859888.

The spelling of 26257841 in words is "twenty-six million, two hundred fifty-seven thousand, eight hundred forty-one".