513255124 has 12 divisors (see below), whose sum is σ = 898901248. Its totient is φ = 256426200.

The previous prime is 513255073. The next prime is 513255161. The reversal of 513255124 is 421552315.

It is a junction number, because it is equal to n+sod(n) for n = 513255092 and 513255101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44532 + ... + 54859.

Almost surely, 2^513255124 is an apocalyptic number.

It is an amenable number.

513255124 is a deficient number, since it is larger than the sum of its proper divisors (385646124).

513255124 is a wasteful number, since it uses less digits than its factorization.

513255124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100686 (or 100684 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 513255124 is about 22655.1346056473. The cubic root of 513255124 is about 800.6531769713.

The spelling of 513255124 in words is "five hundred thirteen million, two hundred fifty-five thousand, one hundred twenty-four".