26528 has 12 divisors (see below), whose sum is σ = 52290. Its totient is φ = 13248.

The previous prime is 26513. The next prime is 26539. The reversal of 26528 is 82562.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21904 + 4624 = 148^2 + 68^2 .

It is an unprimeable number.

26528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383 + ... + 446.

2²⁶⁵²⁸ is an apocalyptic number.

It is an amenable number.

26528 is a deficient number, since it is larger than the sum of its proper divisors (25762).

26528 is an equidigital number, since it uses as much as digits as its factorization.

26528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 831 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 26528 is about 162.8741845720. The cubic root of 26528 is about 29.8241565011.

The spelling of 26528 in words is "twenty-six thousand, five hundred twenty-eight".