512710820 has 48 divisors (see below), whose sum is σ = 1200044160. Its totient is φ = 182859264.

The previous prime is 512710771. The next prime is 512710823. The reversal of 512710820 is 28017215.

It is a self number, because there is not a number n which added to its sum of digits gives 512710820.

It is not an unprimeable number, because it can be changed into a prime (512710823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33224 + ... + 46143.

It is an arithmetic number, because the mean of its divisors is an integer number (25000920).

Almost surely, 2^512710820 is an apocalyptic number.

It is an amenable number.

512710820 is an abundant number, since it is smaller than the sum of its proper divisors (687333340).

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

512710820 is a wasteful number, since it uses less digits than its factorization.

512710820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79412 (or 79410 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 512710820 is about 22643.1186014648. The cubic root of 512710820 is about 800.3700475546.

The spelling of 512710820 in words is "five hundred twelve million, seven hundred ten thousand, eight hundred twenty".