26396025 has 24 divisors (see below), whose sum is σ = 44265024. Its totient is φ = 13876800.

The previous prime is 26396021. The next prime is 26396039. The reversal of 26396025 is 52069362.

It is not a de Polignac number, because 26396025 - 2² = 26396021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26396021) 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 23 ways as a sum of consecutive naturals, for example, 2847 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (1844376).

Almost surely, 2^26396025 is an apocalyptic number.

26396025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26396025 is a deficient number, since it is larger than the sum of its proper divisors (17868999).

26396025 is a wasteful number, since it uses less digits than its factorization.

26396025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5036 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 26396025 is about 5137.7062002415. The cubic root of 26396025 is about 297.7461653910.

The spelling of 26396025 in words is "twenty-six million, three hundred ninety-six thousand, twenty-five".