516523872 has 48 divisors (see below), whose sum is σ = 1402637040. Its totient is φ = 166236672.

The previous prime is 516523841. The next prime is 516523897. The reversal of 516523872 is 278325615.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 516523872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89983 + ... + 95550.

It is an arithmetic number, because the mean of its divisors is an integer number (29221605).

Almost surely, 2^516523872 is an apocalyptic number.

It is an amenable number.

516523872 is an abundant number, since it is smaller than the sum of its proper divisors (886113168).

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

516523872 is a wasteful number, since it uses less digits than its factorization.

516523872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185575 (or 185567 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 516523872 is about 22727.1615473644. The cubic root of 516523872 is about 802.3492776981.

The spelling of 516523872 in words is "five hundred sixteen million, five hundred twenty-three thousand, eight hundred seventy-two".