26071225 has 6 divisors (see below), whose sum is σ = 32328350. Its totient is φ = 20856960.

The previous prime is 26071223. The next prime is 26071307. The reversal of 26071225 is 52217062.

It can be written as a sum of positive squares in 3 ways, for example, as 4717584 + 21353641 = 2172^2 + 4621^2 .

It is not a de Polignac number, because 26071225 - 2¹ = 26071223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1042849 = 26071225 / (2 + 6 + 0 + 7 + 1 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 26071225.

It is not an unprimeable number, because it can be changed into a prime (26071223) 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 5 ways as a sum of consecutive naturals, for example, 521400 + ... + 521449.

Almost surely, 2^26071225 is an apocalyptic number.

26071225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26071225 is a deficient number, since it is larger than the sum of its proper divisors (6257125).

26071225 is a wasteful number, since it uses less digits than its factorization.

26071225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042859 (or 1042854 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 26071225 is about 5105.9989228358. The cubic root of 26071225 is about 296.5198778650.

Adding to 26071225 its reverse (52217062), we get a palindrome (78288287).

The spelling of 26071225 in words is "twenty-six million, seventy-one thousand, two hundred twenty-five".