515028 has 24 divisors (see below), whose sum is σ = 1213632. Its totient is φ = 169984.

The previous prime is 514967. The next prime is 515041. The reversal of 515028 is 820515.

It is a super-3 number, since 3×515028³ = 409839465333905856, which contains 333 as substring.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 514995 and 515013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 515028.

It is an unprimeable number.

515028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (50568).

2⁵¹⁵⁰²⁸ is an apocalyptic number.

It is an amenable number.

515028 is an abundant number, since it is smaller than the sum of its proper divisors (698604).

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

515028 is a wasteful number, since it uses less digits than its factorization.

515028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 515028 is about 717.6545129796. The cubic root of 515028 is about 80.1573984518.

The spelling of 515028 in words is "five hundred fifteen thousand, twenty-eight".