28526113 has 12 divisors (see below), whose sum is σ = 35835520. Its totient is φ = 22227480.

The previous prime is 28526089. The next prime is 28526123. The reversal of 28526113 is 31162582.

It is not a de Polignac number, because 28526113 - 2⁵ = 28526081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28526123) 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 11 ways as a sum of consecutive naturals, for example, 15993 + ... + 17686.

Almost surely, 2^28526113 is an apocalyptic number.

It is an amenable number.

28526113 is a deficient number, since it is larger than the sum of its proper divisors (7309407).

28526113 is a wasteful number, since it uses less digits than its factorization.

28526113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33708 (or 33697 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 28526113 is about 5340.9842725850. The cubic root of 28526113 is about 305.5489995630.

Adding to 28526113 its reverse (31162582), we get a palindrome (59688695).

The spelling of 28526113 in words is "twenty-eight million, five hundred twenty-six thousand, one hundred thirteen".