513111630 has 32 divisors (see below), whose sum is σ = 1232179200. Its totient is φ = 136750752.

The previous prime is 513111619. The next prime is 513111649. The reversal of 513111630 is 36111315.

It is a junction number, because it is equal to n+sod(n) for n = 513111597 and 513111606.

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 15 ways as a sum of consecutive naturals, for example, 63351 + ... + 70989.

It is an arithmetic number, because the mean of its divisors is an integer number (38505600).

Almost surely, 2^513111630 is an apocalyptic number.

513111630 is an abundant number, since it is smaller than the sum of its proper divisors (719067570).

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

513111630 is a wasteful number, since it uses less digits than its factorization.

513111630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 513111630 is about 22651.9674642182. The cubic root of 513111630 is about 800.5785554495.

Adding to 513111630 its reverse (36111315), we get a palindrome (549222945).

It can be divided in two parts, 5131 and 11630, that added together give a palindrome (16761).

The spelling of 513111630 in words is "five hundred thirteen million, one hundred eleven thousand, six hundred thirty".