26805225 has 24 divisors (see below), whose sum is σ = 44531872. Its totient is φ = 14227200.

The previous prime is 26805221. The next prime is 26805239. The reversal of 26805225 is 52250862.

It is not a de Polignac number, because 26805225 - 2² = 26805221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26805192 and 26805201.

It is not an unprimeable number, because it can be changed into a prime (26805221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17334 + ... + 18816.

Almost surely, 2^26805225 is an apocalyptic number.

26805225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26805225 is a deficient number, since it is larger than the sum of its proper divisors (17726647).

26805225 is a wasteful number, since it uses less digits than its factorization.

26805225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1732 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 26805225 is about 5177.3762660251. The cubic root of 26805225 is about 299.2768694523.

The spelling of 26805225 in words is "twenty-six million, eight hundred five thousand, two hundred twenty-five".