511530534 has 48 divisors (see below), whose sum is σ = 1160726112. Its totient is φ = 162501504.

The previous prime is 511530517. The next prime is 511530541. The reversal of 511530534 is 435035115.

It is a junction number, because it is equal to n+sod(n) for n = 511530498 and 511530507.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 119194 + ... + 123410.

It is an arithmetic number, because the mean of its divisors is an integer number (24181794).

Almost surely, 2^511530534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511530534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580363056).

511530534 is an abundant number, since it is smaller than the sum of its proper divisors (649195578).

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

511530534 is a wasteful number, since it uses less digits than its factorization.

511530534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 511530534 is about 22617.0407878661. The cubic root of 511530534 is about 799.7554116867.

Adding to 511530534 its reverse (435035115), we get a palindrome (946565649).

The spelling of 511530534 in words is "five hundred eleven million, five hundred thirty thousand, five hundred thirty-four".