26512225 has 12 divisors (see below), whose sum is σ = 32966640. Its totient is φ = 21150800.

The previous prime is 26512207. The next prime is 26512253. The reversal of 26512225 is 52221562.

It is a happy number.

It is not a de Polignac number, because 26512225 - 2⁵ = 26512193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 26512225.

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 11 ways as a sum of consecutive naturals, for example, 9210 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (2747220).

Almost surely, 2^26512225 is an apocalyptic number.

26512225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26512225 is a deficient number, since it is larger than the sum of its proper divisors (6454415).

26512225 is a wasteful number, since it uses less digits than its factorization.

26512225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2955 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 26512225 is about 5149.0023305491. The cubic root of 26512225 is about 298.1824363726.

Adding to 26512225 its reverse (52221562), we get a palindrome (78733787).

The spelling of 26512225 in words is "twenty-six million, five hundred twelve thousand, two hundred twenty-five".