530145330 has 128 divisors (see below), whose sum is σ = 1504935936. Its totient is φ = 117830400.

The previous prime is 530145281. The next prime is 530145337. The reversal of 530145330 is 33541035.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 530145330.

It is not an unprimeable number, because it can be changed into a prime (530145337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 819067 + ... + 819713.

It is an arithmetic number, because the mean of its divisors is an integer number (11757312).

Almost surely, 2^530145330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530145330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752467968).

530145330 is an abundant number, since it is smaller than the sum of its proper divisors (974790606).

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

530145330 is a wasteful number, since it uses less digits than its factorization.

530145330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 530145330 is about 23024.8850159995. The cubic root of 530145330 is about 809.3411957577.

Adding to 530145330 its reverse (33541035), we get a palindrome (563686365).

The spelling of 530145330 in words is "five hundred thirty million, one hundred forty-five thousand, three hundred thirty".