26489625 has 16 divisors (see below), whose sum is σ = 44079360. Its totient is φ = 14127600.

The previous prime is 26489611. The next prime is 26489627. The reversal of 26489625 is 52698462.

It is not a de Polignac number, because 26489625 - 2¹⁶ = 26424089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26489627) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34945 + ... + 35694.

It is an arithmetic number, because the mean of its divisors is an integer number (2754960).

Almost surely, 2^26489625 is an apocalyptic number.

26489625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26489625 is a deficient number, since it is larger than the sum of its proper divisors (17589735).

26489625 is an equidigital number, since it uses as much as digits as its factorization.

26489625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70657 (or 70647 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 26489625 is about 5146.8072627601. The cubic root of 26489625 is about 298.0976850449.

The spelling of 26489625 in words is "twenty-six million, four hundred eighty-nine thousand, six hundred twenty-five".