512985630 has 16 divisors (see below), whose sum is σ = 1231165584. Its totient is φ = 136796160.

The previous prime is 512985623. The next prime is 512985637. The reversal of 512985630 is 36589215.

It is an interprime number because it is at equal distance from previous prime (512985623) and next prime (512985637).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512985637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8549731 + ... + 8549790.

It is an arithmetic number, because the mean of its divisors is an integer number (76947849).

Almost surely, 2^512985630 is an apocalyptic number.

512985630 is an abundant number, since it is smaller than the sum of its proper divisors (718179954).

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

512985630 is a wasteful number, since it uses less digits than its factorization.

512985630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17099531.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 512985630 is about 22649.1860780912. The cubic root of 512985630 is about 800.5130199012.

The spelling of 512985630 in words is "five hundred twelve million, nine hundred eighty-five thousand, six hundred thirty".