26553025 has 6 divisors (see below), whose sum is σ = 32925782. Its totient is φ = 21242400.

The previous prime is 26552993. The next prime is 26553029. The reversal of 26553025 is 52035562.

It can be written as a sum of positive squares in 3 ways, for example, as 4986289 + 21566736 = 2233^2 + 4644^2 .

It is not a de Polignac number, because 26553025 - 2⁵ = 26552993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26552984 and 26553002.

It is not an unprimeable number, because it can be changed into a prime (26553029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531036 + ... + 531085.

Almost surely, 2^26553025 is an apocalyptic number.

26553025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26553025 is a deficient number, since it is larger than the sum of its proper divisors (6372757).

26553025 is a wasteful number, since it uses less digits than its factorization.

26553025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062131 (or 1062126 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 26553025 is about 5152.9627400167. The cubic root of 26553025 is about 298.3353168898.

Adding to 26553025 its reverse (52035562), we get a palindrome (78588587).

The spelling of 26553025 in words is "twenty-six million, five hundred fifty-three thousand, twenty-five".