512545500 has 72 divisors (see below), whose sum is σ = 1616924400. Its totient is φ = 136677600.

The previous prime is 512545499. The next prime is 512545519. The reversal of 512545500 is 5545215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52450 + ... + 61449.

Almost surely, 2^512545500 is an apocalyptic number.

512545500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

512545500 is an abundant number, since it is smaller than the sum of its proper divisors (1104378900).

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

512545500 is a wasteful number, since it uses less digits than its factorization.

512545500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113924 (or 113909 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 512545500 is about 22639.4677499273. The cubic root of 512545500 is about 800.2840137416.

It can be divided in two parts, 5125 and 45500, that added together give a 4-th power (50625 = 15⁴).

The spelling of 512545500 in words is "five hundred twelve million, five hundred forty-five thousand, five hundred".