26915225 has 12 divisors (see below), whose sum is σ = 33439824. Its totient is φ = 21490320.

The previous prime is 26915209. The next prime is 26915249. The reversal of 26915225 is 52251962.

It is not a de Polignac number, because 26915225 - 2⁴ = 26915209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26915191 and 26915200.

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, 22082 + ... + 23268.

It is an arithmetic number, because the mean of its divisors is an integer number (2786652).

Almost surely, 2^26915225 is an apocalyptic number.

26915225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26915225 is a deficient number, since it is larger than the sum of its proper divisors (6524599).

26915225 is a wasteful number, since it uses less digits than its factorization.

26915225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2099 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 26915225 is about 5187.9885312132. The cubic root of 26915225 is about 299.6856893295.

The spelling of 26915225 in words is "twenty-six million, nine hundred fifteen thousand, two hundred twenty-five".