28519059 has 4 divisors (see below), whose sum is σ = 38025416. Its totient is φ = 19012704.

The previous prime is 28519037. The next prime is 28519063. The reversal of 28519059 is 95091582.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28519059 - 2⁵ = 28519027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28519009) 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 3 ways as a sum of consecutive naturals, for example, 4753174 + ... + 4753179.

It is an arithmetic number, because the mean of its divisors is an integer number (9506354).

Almost surely, 2^28519059 is an apocalyptic number.

28519059 is a deficient number, since it is larger than the sum of its proper divisors (9506357).

28519059 is an equidigital number, since it uses as much as digits as its factorization.

28519059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506356.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 28519059 is about 5340.3238665834. The cubic root of 28519059 is about 305.5238118771.

The spelling of 28519059 in words is "twenty-eight million, five hundred nineteen thousand, fifty-nine".