513028 has 6 divisors (see below), whose sum is σ = 897806. Its totient is φ = 256512.

The previous prime is 513017. The next prime is 513031. The reversal of 513028 is 820315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 506944 + 6084 = 712^2 + 78^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512996 and 513014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64125 + ... + 64132.

2⁵¹³⁰²⁸ is an apocalyptic number.

It is an amenable number.

513028 is a deficient number, since it is larger than the sum of its proper divisors (384778).

513028 is a wasteful number, since it uses less digits than its factorization.

513028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128261 (or 128259 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 513028 is about 716.2597294278. The cubic root of 513028 is about 80.0535058727.

The spelling of 513028 in words is "five hundred thirteen thousand, twenty-eight".