26317225 has 24 divisors (see below), whose sum is σ = 36060192. Its totient is φ = 18892800.

The previous prime is 26317217. The next prime is 26317231. The reversal of 26317225 is 52271362.

It is not a de Polignac number, because 26317225 - 2³ = 26317217 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26317193 and 26317202.

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 23 ways as a sum of consecutive naturals, for example, 22249 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (1502508).

Almost surely, 2^26317225 is an apocalyptic number.

26317225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26317225 is a deficient number, since it is larger than the sum of its proper divisors (9742967).

26317225 is a wasteful number, since it uses less digits than its factorization.

26317225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1252 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 26317225 is about 5130.0316763155. The cubic root of 26317225 is about 297.4495830577.

Adding to 26317225 its reverse (52271362), we get a palindrome (78588587).

The spelling of 26317225 in words is "twenty-six million, three hundred seventeen thousand, two hundred twenty-five".