530500028 has 12 divisors (see below), whose sum is σ = 982985472. Its totient is φ = 249647040.

The previous prime is 530500027. The next prime is 530500051. The reversal of 530500028 is 820005035.

It is a junction number, because it is equal to n+sod(n) for n = 530499976 and 530500012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530500021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900668 + ... + 3900803.

It is an arithmetic number, because the mean of its divisors is an integer number (81915456).

Almost surely, 2^530500028 is an apocalyptic number.

It is an amenable number.

530500028 is a deficient number, since it is larger than the sum of its proper divisors (452485444).

530500028 is a wasteful number, since it uses less digits than its factorization.

530500028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801492 (or 7801490 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 530500028 is about 23032.5862203965. The cubic root of 530500028 is about 809.5216542650.

The spelling of 530500028 in words is "five hundred thirty million, five hundred thousand, twenty-eight".