530725860 has 216 divisors, whose sum is σ = 1971889920. Its totient is φ = 114887808.

The previous prime is 530725837. The next prime is 530725861. The reversal of 530725860 is 68527035.

530725860 is a `hidden beast` number, since 5 + 3 + 0 + 72 + 586 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (530725861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 165997 + ... + 169163.

It is an arithmetic number, because the mean of its divisors is an integer number (9129120).

Almost surely, 2^530725860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530725860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985944960).

530725860 is an abundant number, since it is smaller than the sum of its proper divisors (1441164060).

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

530725860 is a wasteful number, since it uses less digits than its factorization.

530725860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 530725860 is about 23037.4881443268. The cubic root of 530725860 is about 809.6365081446.

The spelling of 530725860 in words is "five hundred thirty million, seven hundred twenty-five thousand, eight hundred sixty".