28526245 has 16 divisors (see below), whose sum is σ = 37735488. Its totient is φ = 20528640.

The previous prime is 28526209. The next prime is 28526249. The reversal of 28526245 is 54262582.

It is not a de Polignac number, because 28526245 - 2¹⁷ = 28395173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28526245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28526249) by changing a digit.

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, 2662 + ... + 8008.

It is an arithmetic number, because the mean of its divisors is an integer number (2358468).

Almost surely, 2^28526245 is an apocalyptic number.

It is an amenable number.

28526245 is a deficient number, since it is larger than the sum of its proper divisors (9209243).

28526245 is a wasteful number, since it uses less digits than its factorization.

28526245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460.

The product of its digits is 38400, while the sum is 34.

The square root of 28526245 is about 5340.9966298435. The cubic root of 28526245 is about 305.5494708553.

The spelling of 28526245 in words is "twenty-eight million, five hundred twenty-six thousand, two hundred forty-five".