1028533 has 4 divisors (see below), whose sum is σ = 1122048. Its totient is φ = 935020.

The previous prime is 1028509. The next prime is 1028557. The reversal of 1028533 is 3358201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1028509) and next prime (1028557).

It is a cyclic number.

It is not a de Polignac number, because 1028533 - 2¹⁷ = 897461 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028333) 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, 46741 + ... + 46762.

It is an arithmetic number, because the mean of its divisors is an integer number (280512).

2^1028533 is an apocalyptic number.

It is an amenable number.

1028533 is a deficient number, since it is larger than the sum of its proper divisors (93515).

1028533 is an equidigital number, since it uses as much as digits as its factorization.

1028533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93514.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1028533 is about 1014.1661599560. The cubic root of 1028533 is about 100.9421948089.

The spelling of 1028533 in words is "one million, twenty-eight thousand, five hundred thirty-three".