28543254 has 8 divisors (see below), whose sum is σ = 57086520. Its totient is φ = 9514416.

The previous prime is 28543237. The next prime is 28543259. The reversal of 28543254 is 45234582.

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

28543254 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28543259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2378599 + ... + 2378610.

It is an arithmetic number, because the mean of its divisors is an integer number (7135815).

Almost surely, 2^28543254 is an apocalyptic number.

28543254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28543254 is a wasteful number, since it uses less digits than its factorization.

28543254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757214.

The product of its digits is 38400, while the sum is 33.

The square root of 28543254 is about 5342.5886983746. The cubic root of 28543254 is about 305.6101875550.

The spelling of 28543254 in words is "twenty-eight million, five hundred forty-three thousand, two hundred fifty-four".