26115825 has 24 divisors (see below), whose sum is σ = 45720288. Its totient is φ = 13108480.

The previous prime is 26115779. The next prime is 26115829. The reversal of 26115825 is 52851162.

It is not a de Polignac number, because 26115825 - 2²⁰ = 25067249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26115792 and 26115801.

It is not an unprimeable number, because it can be changed into a prime (26115829) 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, 8967 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (1905012).

Almost surely, 2^26115825 is an apocalyptic number.

26115825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26115825 is a deficient number, since it is larger than the sum of its proper divisors (19604463).

26115825 is a wasteful number, since it uses less digits than its factorization.

26115825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20513 (or 20508 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 26115825 is about 5110.3644684112. The cubic root of 26115825 is about 296.6888668878.

Adding to 26115825 its reverse (52851162), we get a palindrome (78966987).

The spelling of 26115825 in words is "twenty-six million, one hundred fifteen thousand, eight hundred twenty-five".