28526 has 8 divisors (see below), whose sum is σ = 45360. Its totient is φ = 13408.

The previous prime is 28517. The next prime is 28537. The reversal of 28526 is 62582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28526.

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 3 ways as a sum of consecutive naturals, for example, 386 + ... + 453.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

2²⁸⁵²⁶ is an apocalyptic number.

28526 is a deficient number, since it is larger than the sum of its proper divisors (16834).

28526 is a wasteful number, since it uses less digits than its factorization.

28526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

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

The square root of 28526 is about 168.8964179608. The cubic root of 28526 is about 30.5548596107.

The spelling of 28526 in words is "twenty-eight thousand, five hundred twenty-six".