26544425 has 48 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 18547200.

The previous prime is 26544421. The next prime is 26544449. The reversal of 26544425 is 52444562.

It is not a de Polignac number, because 26544425 - 2² = 26544421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26544391 and 26544400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26544421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 564752 + ... + 564798.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^26544425 is an apocalyptic number.

26544425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26544425 is a deficient number, since it is larger than the sum of its proper divisors (10953175).

26544425 is a wasteful number, since it uses less digits than its factorization.

26544425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 141 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 26544425 is about 5152.1282010447. The cubic root of 26544425 is about 298.3031051077.

Adding to 26544425 its reverse (52444562), we get a palindrome (78988987).

The spelling of 26544425 in words is "twenty-six million, five hundred forty-four thousand, four hundred twenty-five".