26302891 has 2 divisors, whose sum is σ = 26302892. Its totient is φ = 26302890.

The previous prime is 26302877. The next prime is 26302901. The reversal of 26302891 is 19820362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26302891 - 2⁷ = 26302763 is a prime.

It is not a weakly prime, because it can be changed into another prime (26302091) 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, 13151445 + 13151446.

It is an arithmetic number, because the mean of its divisors is an integer number (13151446).

Almost surely, 2^26302891 is an apocalyptic number.

26302891 is a deficient number, since it is larger than the sum of its proper divisors (1).

26302891 is an equidigital number, since it uses as much as digits as its factorization.

26302891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 26302891 is about 5128.6344186343. The cubic root of 26302891 is about 297.3955700600.

The spelling of 26302891 in words is "twenty-six million, three hundred two thousand, eight hundred ninety-one".