26858243 has 2 divisors, whose sum is σ = 26858244. Its totient is φ = 26858242.

The previous prime is 26858213. The next prime is 26858269. The reversal of 26858243 is 34285862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26858243 - 2¹⁶ = 26792707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26858197 and 26858206.

It is not a weakly prime, because it can be changed into another prime (26858203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13429121 + 13429122.

It is an arithmetic number, because the mean of its divisors is an integer number (13429122).

Almost surely, 2^26858243 is an apocalyptic number.

26858243 is a deficient number, since it is larger than the sum of its proper divisors (1).

26858243 is an equidigital number, since it uses as much as digits as its factorization.

26858243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 38.

The square root of 26858243 is about 5182.4938977292. The cubic root of 26858243 is about 299.4740525438.

The spelling of 26858243 in words is "twenty-six million, eight hundred fifty-eight thousand, two hundred forty-three".