516245772 has 54 divisors (see below), whose sum is σ = 1402735572. Its totient is φ = 147341376.

The previous prime is 516245767. The next prime is 516245773. The reversal of 516245772 is 277542615.

It is a self number, because there is not a number n which added to its sum of digits gives 516245772.

It is not an unprimeable number, because it can be changed into a prime (516245773) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 550488 + ... + 551424.

Almost surely, 2^516245772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516245772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701367786).

516245772 is an abundant number, since it is smaller than the sum of its proper divisors (886489800).

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

516245772 is an equidigital number, since it uses as much as digits as its factorization.

516245772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 949 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 516245772 is about 22721.0424936885. The cubic root of 516245772 is about 802.2052550603.

The spelling of 516245772 in words is "five hundred sixteen million, two hundred forty-five thousand, seven hundred seventy-two".