513872860 has 48 divisors (see below), whose sum is σ = 1138062240. Its totient is φ = 194365440.

The previous prime is 513872851. The next prime is 513872869. The reversal of 513872860 is 68278315.

It is an interprime number because it is at equal distance from previous prime (513872851) and next prime (513872869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513872869) 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, 288292 + ... + 290068.

It is an arithmetic number, because the mean of its divisors is an integer number (23709630).

Almost surely, 2^513872860 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 513872860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569031120).

513872860 is an abundant number, since it is smaller than the sum of its proper divisors (624189380).

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

513872860 is a wasteful number, since it uses less digits than its factorization.

513872860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 513872860 is about 22668.7639715976. The cubic root of 513872860 is about 800.9742609545.

The spelling of 513872860 in words is "five hundred thirteen million, eight hundred seventy-two thousand, eight hundred sixty".