28250803 has 12 divisors (see below), whose sum is σ = 33008472. Its totient is φ = 24108000.

The previous prime is 28250779. The next prime is 28250809. The reversal of 28250803 is 30805282.

It is not a de Polignac number, because 28250803 - 2¹³ = 28242611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28250809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11151 + ... + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (2750706).

Almost surely, 2^28250803 is an apocalyptic number.

28250803 is a deficient number, since it is larger than the sum of its proper divisors (4757669).

28250803 is a wasteful number, since it uses less digits than its factorization.

28250803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 28250803 is about 5315.1484457163. The cubic root of 28250803 is about 304.5628531019.

The spelling of 28250803 in words is "twenty-eight million, two hundred fifty thousand, eight hundred three".