530125000 has 56 divisors (see below), whose sum is σ = 1242757530. Its totient is φ = 212000000.

The previous prime is 530124989. The next prime is 530125021. The reversal of 530125000 is 521035.

It can be written as a sum of positive squares in 7 ways, for example, as 116165284 + 413959716 = 10778^2 + 20346^2 .

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 122880 + ... + 127120.

Almost surely, 2^530125000 is an apocalyptic number.

530125000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621378765).

530125000 is an abundant number, since it is smaller than the sum of its proper divisors (712632530).

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

530125000 is an frugal number, since it uses more digits than its factorization.

530125000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 530125000 is about 23024.4435329065. The cubic root of 530125000 is about 809.3308500935.

Adding to 530125000 its reverse (521035), we get a palindrome (530646035).

The spelling of 530125000 in words is "five hundred thirty million, one hundred twenty-five thousand".