26242859 has 4 divisors (see below), whose sum is σ = 26327016. Its totient is φ = 26158704.

The previous prime is 26242847. The next prime is 26242903. The reversal of 26242859 is 95824262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95824262 = 2 ⋅47912131.

It is a cyclic number.

It is not a de Polignac number, because 26242859 - 2¹⁶ = 26177323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26242159) 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 in 3 ways as a sum of consecutive naturals, for example, 41609 + ... + 42234.

It is an arithmetic number, because the mean of its divisors is an integer number (6581754).

Almost surely, 2^26242859 is an apocalyptic number.

26242859 is a deficient number, since it is larger than the sum of its proper divisors (84157).

26242859 is an equidigital number, since it uses as much as digits as its factorization.

26242859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84156.

The product of its digits is 69120, while the sum is 38.

The square root of 26242859 is about 5122.7784453361. The cubic root of 26242859 is about 297.1691456406.

The spelling of 26242859 in words is "twenty-six million, two hundred forty-two thousand, eight hundred fifty-nine".