26090225 has 12 divisors (see below), whose sum is σ = 36973824. Its totient is φ = 17890320.

The previous prime is 26090201. The next prime is 26090237. The reversal of 26090225 is 52209062.

It is not a de Polignac number, because 26090225 - 2¹⁰ = 26089201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26090194 and 26090203.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 74369 + ... + 74718.

It is an arithmetic number, because the mean of its divisors is an integer number (3081152).

Almost surely, 2^26090225 is an apocalyptic number.

26090225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26090225 is a deficient number, since it is larger than the sum of its proper divisors (10883599).

26090225 is a wasteful number, since it uses less digits than its factorization.

26090225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149104 (or 149099 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 26090225 is about 5107.8591405793. The cubic root of 26090225 is about 296.5918922491.

Adding to 26090225 its reverse (52209062), we get a palindrome (78299287).

The spelling of 26090225 in words is "twenty-six million, ninety thousand, two hundred twenty-five".