26051243 has 4 divisors (see below), whose sum is σ = 26062320. Its totient is φ = 26040168.

The previous prime is 26051231. The next prime is 26051257. The reversal of 26051243 is 34215062.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26051243 - 2²⁰ = 25002667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26051213) 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, 455 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (6515580).

Almost surely, 2^26051243 is an apocalyptic number.

26051243 is a deficient number, since it is larger than the sum of its proper divisors (11077).

26051243 is an equidigital number, since it uses as much as digits as its factorization.

26051243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 26051243 is about 5104.0418297659. The cubic root of 26051243 is about 296.4441037172. Note that the first 3 decimals are identical.

The spelling of 26051243 in words is "twenty-six million, fifty-one thousand, two hundred forty-three".