28003053 has 16 divisors (see below), whose sum is σ = 40441856. Its totient is φ = 17133120.

The previous prime is 28003037. The next prime is 28003069. The reversal of 28003053 is 35030082.

It is an interprime number because it is at equal distance from previous prime (28003037) and next prime (28003069).

It is not a de Polignac number, because 28003053 - 2⁴ = 28003037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28003153) 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, 5076 + ... + 9042.

It is an arithmetic number, because the mean of its divisors is an integer number (2527616).

Almost surely, 2^28003053 is an apocalyptic number.

It is an amenable number.

28003053 is a deficient number, since it is larger than the sum of its proper divisors (12438803).

28003053 is a wasteful number, since it uses less digits than its factorization.

28003053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 28003053 is about 5291.7910956499. The cubic root of 28003053 is about 303.6699333414.

The spelling of 28003053 in words is "twenty-eight million, three thousand, fifty-three".