28516453 has 8 divisors (see below), whose sum is σ = 32847872. Its totient is φ = 24249456.

The previous prime is 28516409. The next prime is 28516457. The reversal of 28516453 is 35461582.

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

It is not a de Polignac number, because 28516453 - 2¹³ = 28508261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28516457) 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, 15150 + ... + 16927.

It is an arithmetic number, because the mean of its divisors is an integer number (4105984).

Almost surely, 2^28516453 is an apocalyptic number.

It is an amenable number.

28516453 is a deficient number, since it is larger than the sum of its proper divisors (4331419).

28516453 is a wasteful number, since it uses less digits than its factorization.

28516453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32211.

The product of its digits is 28800, while the sum is 34.

The square root of 28516453 is about 5340.0798683166. The cubic root of 28516453 is about 305.5145055940.

The spelling of 28516453 in words is "twenty-eight million, five hundred sixteen thousand, four hundred fifty-three".