6530520430 has 32 divisors (see below), whose sum is σ = 13447673280. Its totient is φ = 2236792320.

The previous prime is 6530520389. The next prime is 6530520443. The reversal of 6530520430 is 340250356.

It is a congruent number.

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, 24400 + ... + 116860.

It is an arithmetic number, because the mean of its divisors is an integer number (420239790).

Almost surely, 2^6530520430 is an apocalyptic number.

6530520430 is an abundant number, since it is smaller than the sum of its proper divisors (6917152850).

6530520430 is a wasteful number, since it uses less digits than its factorization.

6530520430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93484.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 6530520430 is about 80811.6354864818. The cubic root of 6530520430 is about 1869.1719889367.

Adding to 6530520430 its reverse (340250356), we get a palindrome (6870770786).

The spelling of 6530520430 in words is "six billion, five hundred thirty million, five hundred twenty thousand, four hundred thirty".