26288959 has 2 divisors, whose sum is σ = 26288960. Its totient is φ = 26288958.

The previous prime is 26288923. The next prime is 26288963. The reversal of 26288959 is 95988262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26288959 - 2¹⁹ = 25764671 is a prime.

It is a super-2 number, since 2×26288959² = 1382218730607362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26288459) 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, 13144479 + 13144480.

It is an arithmetic number, because the mean of its divisors is an integer number (13144480).

Almost surely, 2^26288959 is an apocalyptic number.

26288959 is a deficient number, since it is larger than the sum of its proper divisors (1).

26288959 is an equidigital number, since it uses as much as digits as its factorization.

26288959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The square root of 26288959 is about 5127.2759824297. The cubic root of 26288959 is about 297.3430530593.

The spelling of 26288959 in words is "twenty-six million, two hundred eighty-eight thousand, nine hundred fifty-nine".