2821030530 has 32 divisors (see below), whose sum is σ = 6773385024. Its totient is φ = 751951296.

The previous prime is 2821030517. The next prime is 2821030549. The reversal of 2821030530 is 350301282.

It is a self number, because there is not a number n which added to its sum of digits gives 2821030530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55329 + ... + 93291.

It is an arithmetic number, because the mean of its divisors is an integer number (211668282).

Almost surely, 2^2821030530 is an apocalyptic number.

2821030530 is an abundant number, since it is smaller than the sum of its proper divisors (3952354494).

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

2821030530 is a wasteful number, since it uses less digits than its factorization.

2821030530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40450.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2821030530 is about 53113.3743044066. The cubic root of 2821030530 is about 1412.9797204198.

The spelling of 2821030530 in words is "two billion, eight hundred twenty-one million, thirty thousand, five hundred thirty".