28482565 has 8 divisors (see below), whose sum is σ = 36189720. Its totient is φ = 21445632.

The previous prime is 28482557. The next prime is 28482569. The reversal of 28482565 is 56528482.

It can be written as a sum of positive squares in 4 ways, for example, as 2604996 + 25877569 = 1614^2 + 5087^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 28482565 - 2³ = 28482557 is a prime.

It is a super-2 number, since 2×28482565² = 1622513017958450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28482569) 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 7 ways as a sum of consecutive naturals, for example, 167460 + ... + 167629.

It is an arithmetic number, because the mean of its divisors is an integer number (4523715).

Almost surely, 2^28482565 is an apocalyptic number.

It is an amenable number.

28482565 is a deficient number, since it is larger than the sum of its proper divisors (7707155).

28482565 is a wasteful number, since it uses less digits than its factorization.

28482565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335111.

The product of its digits is 153600, while the sum is 40.

The square root of 28482565 is about 5336.9059388376. The cubic root of 28482565 is about 305.3934365462.

The spelling of 28482565 in words is "twenty-eight million, four hundred eighty-two thousand, five hundred sixty-five".