513189428 has 24 divisors (see below), whose sum is σ = 918352512. Its totient is φ = 250817024.

The previous prime is 513189427. The next prime is 513189431. The reversal of 513189428 is 824981315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513189427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227675 + ... + 229917.

It is an arithmetic number, because the mean of its divisors is an integer number (38264688).

Almost surely, 2^513189428 is an apocalyptic number.

It is an amenable number.

513189428 is a deficient number, since it is larger than the sum of its proper divisors (405163084).

513189428 is a wasteful number, since it uses less digits than its factorization.

513189428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511 (or 3509 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 513189428 is about 22653.6846451080. The cubic root of 513189428 is about 800.6190146525.

The spelling of 513189428 in words is "five hundred thirteen million, one hundred eighty-nine thousand, four hundred twenty-eight".