28576003 has 4 divisors (see below), whose sum is σ = 28589320. Its totient is φ = 28562688.

The previous prime is 28575983. The next prime is 28576021. The reversal of 28576003 is 30067582.

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

It is a cyclic number.

It is not a de Polignac number, because 28576003 - 2⁵ = 28575971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28576033) 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, 2625 + ... + 8002.

It is an arithmetic number, because the mean of its divisors is an integer number (7147330).

Almost surely, 2^28576003 is an apocalyptic number.

28576003 is a deficient number, since it is larger than the sum of its proper divisors (13317).

28576003 is a wasteful number, since it uses less digits than its factorization.

28576003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 28576003 is about 5345.6527197340. The cubic root of 28576003 is about 305.7270231332.

The spelling of 28576003 in words is "twenty-eight million, five hundred seventy-six thousand, three".