512280630 has 24 divisors (see below), whose sum is σ = 1331929872. Its totient is φ = 136608144.

The previous prime is 512280607. The next prime is 512280649. The reversal of 512280630 is 36082215.

512280630 is a `hidden beast` number, since 5 + 1 + 2 + 28 + 0 + 630 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 512280594 and 512280603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2845914 + ... + 2846093.

It is an arithmetic number, because the mean of its divisors is an integer number (55497078).

Almost surely, 2^512280630 is an apocalyptic number.

512280630 is an abundant number, since it is smaller than the sum of its proper divisors (819649242).

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

512280630 is a wasteful number, since it uses less digits than its factorization.

512280630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692020 (or 5692017 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 512280630 is about 22633.6172539875. The cubic root of 512280630 is about 800.1461347625.

The spelling of 512280630 in words is "five hundred twelve million, two hundred eighty thousand, six hundred thirty".