26996225 has 6 divisors (see below), whose sum is σ = 33475350. Its totient is φ = 21596960.

The previous prime is 26996213. The next prime is 26996231. The reversal of 26996225 is 52269962.

It can be written as a sum of positive squares in 3 ways, for example, as 1098304 + 25897921 = 1048^2 + 5089^2 .

It is not a de Polignac number, because 26996225 - 2²⁴ = 10219009 is a prime.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 539900 + ... + 539949.

It is an arithmetic number, because the mean of its divisors is an integer number (5579225).

Almost surely, 2^26996225 is an apocalyptic number.

26996225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26996225 is a deficient number, since it is larger than the sum of its proper divisors (6479125).

26996225 is a wasteful number, since it uses less digits than its factorization.

26996225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079859 (or 1079854 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 26996225 is about 5195.7891604645. The cubic root of 26996225 is about 299.9860178669.

The spelling of 26996225 in words is "twenty-six million, nine hundred ninety-six thousand, two hundred twenty-five".