28246513 has 8 divisors (see below), whose sum is σ = 28577216. Its totient is φ = 27918000.

The previous prime is 28246511. The next prime is 28246531. The reversal of 28246513 is 31564282.

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 28246513 - 2¹ = 28246511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28246511) 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 7 ways as a sum of consecutive naturals, for example, 42403 + ... + 43063.

It is an arithmetic number, because the mean of its divisors is an integer number (3572152).

Almost surely, 2^28246513 is an apocalyptic number.

It is an amenable number.

28246513 is a deficient number, since it is larger than the sum of its proper divisors (330703).

28246513 is a wasteful number, since it uses less digits than its factorization.

28246513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its digits is 11520, while the sum is 31.

The square root of 28246513 is about 5314.7448668774. The cubic root of 28246513 is about 304.5474359498.

The spelling of 28246513 in words is "twenty-eight million, two hundred forty-six thousand, five hundred thirteen".