26425543 has 4 divisors (see below), whose sum is σ = 26479000. Its totient is φ = 26372088.

The previous prime is 26425517. The next prime is 26425549. The reversal of 26425543 is 34552462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26425543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26425549) 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, 25980 + ... + 26977.

It is an arithmetic number, because the mean of its divisors is an integer number (6619750).

Almost surely, 2^26425543 is an apocalyptic number.

26425543 is a deficient number, since it is larger than the sum of its proper divisors (53457).

26425543 is an equidigital number, since it uses as much as digits as its factorization.

26425543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53456.

The product of its digits is 28800, while the sum is 31.

The square root of 26425543 is about 5140.5780803330. The cubic root of 26425543 is about 297.8571113537.

The spelling of 26425543 in words is "twenty-six million, four hundred twenty-five thousand, five hundred forty-three".