28255003 has 16 divisors (see below), whose sum is σ = 34352640. Its totient is φ = 22686336.

The previous prime is 28255001. The next prime is 28255049. The reversal of 28255003 is 30055282.

It is a cyclic number.

It is not a de Polignac number, because 28255003 - 2¹ = 28255001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28255001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33258 + ... + 34096.

It is an arithmetic number, because the mean of its divisors is an integer number (2147040).

Almost surely, 2^28255003 is an apocalyptic number.

28255003 is a deficient number, since it is larger than the sum of its proper divisors (6097637).

28255003 is a wasteful number, since it uses less digits than its factorization.

28255003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 28255003 is about 5315.5435281822. The cubic root of 28255003 is about 304.5779453053.

The spelling of 28255003 in words is "twenty-eight million, two hundred fifty-five thousand, three".