26889125 has 16 divisors (see below), whose sum is σ = 33948720. Its totient is φ = 21260800.

The previous prime is 26889103. The next prime is 26889143. The reversal of 26889125 is 52198862.

It can be written as a sum of positive squares in 8 ways, for example, as 5303809 + 21585316 = 2303^2 + 4646^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26889125 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 9917 + ... + 12333.

It is an arithmetic number, because the mean of its divisors is an integer number (2121795).

Almost surely, 2^26889125 is an apocalyptic number.

26889125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26889125 is a deficient number, since it is larger than the sum of its proper divisors (7059595).

26889125 is an equidigital number, since it uses as much as digits as its factorization.

26889125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521 (or 2511 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 26889125 is about 5185.4724953470. The cubic root of 26889125 is about 299.5887884596.

The spelling of 26889125 in words is "twenty-six million, eight hundred eighty-nine thousand, one hundred twenty-five".