210530316 has 24 divisors (see below), whose sum is σ = 512596224. Its totient is φ = 67125520.

The previous prime is 210530297. The next prime is 210530347. The reversal of 210530316 is 613035012.

It is a junction number, because it is equal to n+sod(n) for n = 210530292 and 210530301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381120 + ... + 381671.

It is an arithmetic number, because the mean of its divisors is an integer number (21358176).

Almost surely, 2^210530316 is an apocalyptic number.

It is an amenable number.

210530316 is an abundant number, since it is smaller than the sum of its proper divisors (302065908).

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

210530316 is a wasteful number, since it uses less digits than its factorization.

210530316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762821 (or 762819 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 210530316 is about 14509.6628492877. The cubic root of 210530316 is about 594.8921170596.

Adding to 210530316 its reverse (613035012), we get a palindrome (823565328).

The spelling of 210530316 in words is "two hundred ten million, five hundred thirty thousand, three hundred sixteen".