26390825 has 12 divisors (see below), whose sum is σ = 32886288. Its totient is φ = 21008400.

The previous prime is 26390813. The next prime is 26390909. The reversal of 26390825 is 52809362.

It is not a de Polignac number, because 26390825 - 2⁶ = 26390761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2774 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (2740524).

Almost surely, 2^26390825 is an apocalyptic number.

26390825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26390825 is a deficient number, since it is larger than the sum of its proper divisors (6495463).

26390825 is a wasteful number, since it uses less digits than its factorization.

26390825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224 (or 5219 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 26390825 is about 5137.2001129020. The cubic root of 26390825 is about 297.7266121724.

The spelling of 26390825 in words is "twenty-six million, three hundred ninety thousand, eight hundred twenty-five".