530001000 has 96 divisors (see below), whose sum is σ = 1791433800. Its totient is φ = 141331200.

The previous prime is 530000981. The next prime is 530001011. The reversal of 530001000 is 100035.

It can be written as a sum of positive squares in 4 ways, for example, as 89756676 + 440244324 = 9474^2 + 20982^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20445 + ... + 38444.

Almost surely, 2^530001000 is an apocalyptic number.

530001000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530001000 is an abundant number, since it is smaller than the sum of its proper divisors (1261432800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530001000 is a wasteful number, since it uses less digits than its factorization.

530001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58916 (or 58899 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 530001000 is about 23021.7505850446. The cubic root of 530001000 is about 809.2677424294.

Adding to 530001000 its reverse (100035), we get a palindrome (530101035).

The spelling of 530001000 in words is "five hundred thirty million, one thousand".