26858453 has 4 divisors (see below), whose sum is σ = 28438380. Its totient is φ = 25278528.

The previous prime is 26858441. The next prime is 26858467. The reversal of 26858453 is 35485862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35485862 = 2 ⋅17742931.

It can be written as a sum of positive squares in 2 ways, for example, as 20593444 + 6265009 = 4538^2 + 2503^2 .

It is a cyclic number.

It is not a de Polignac number, because 26858453 - 2¹⁰ = 26857429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26858453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26858473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789938 + ... + 789971.

It is an arithmetic number, because the mean of its divisors is an integer number (7109595).

Almost surely, 2^26858453 is an apocalyptic number.

It is an amenable number.

26858453 is a deficient number, since it is larger than the sum of its proper divisors (1579927).

26858453 is a wasteful number, since it uses less digits than its factorization.

26858453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579926.

The product of its digits is 230400, while the sum is 41.

The square root of 26858453 is about 5182.5141582055. The cubic root of 26858453 is about 299.4748330539.

The spelling of 26858453 in words is "twenty-six million, eight hundred fifty-eight thousand, four hundred fifty-three".