513628489 has 8 divisors (see below), whose sum is σ = 560602368. Its totient is φ = 466701360.

The previous prime is 513628471. The next prime is 513628517. The reversal of 513628489 is 984826315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513628489 - 2⁹ = 513627977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513628589) 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, 13699 + ... + 34855.

It is an arithmetic number, because the mean of its divisors is an integer number (70075296).

Almost surely, 2^513628489 is an apocalyptic number.

It is an amenable number.

513628489 is a deficient number, since it is larger than the sum of its proper divisors (46973879).

513628489 is a wasteful number, since it uses less digits than its factorization.

513628489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23375.

The product of its digits is 414720, while the sum is 46.

The square root of 513628489 is about 22663.3732926058. The cubic root of 513628489 is about 800.8472736965.

The spelling of 513628489 in words is "five hundred thirteen million, six hundred twenty-eight thousand, four hundred eighty-nine".