26541979 has 2 divisors, whose sum is σ = 26541980. Its totient is φ = 26541978.

The previous prime is 26541973. The next prime is 26542027. The reversal of 26541979 is 97914562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26541979 - 2³ = 26541971 is a prime.

It is not a weakly prime, because it can be changed into another prime (26541971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270989 + 13270990.

It is an arithmetic number, because the mean of its divisors is an integer number (13270990).

Almost surely, 2^26541979 is an apocalyptic number.

26541979 is a deficient number, since it is larger than the sum of its proper divisors (1).

26541979 is an equidigital number, since it uses as much as digits as its factorization.

26541979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 26541979 is about 5151.8908179425. The cubic root of 26541979 is about 298.2939422068.

The spelling of 26541979 in words is "twenty-six million, five hundred forty-one thousand, nine hundred seventy-nine".