509028975 has 96 divisors (see below), whose sum is σ = 1151037440. Its totient is φ = 214773120.

The previous prime is 509028913. The next prime is 509029007. The reversal of 509028975 is 579820905.

It is a happy number.

It is not a de Polignac number, because 509028975 - 2⁶ = 509028911 is a prime.

It is a super-2 number, since 2×509028975² = 518220994779101250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 509028975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57282 + ... + 65568.

Almost surely, 2^509028975 is an apocalyptic number.

509028975 is an abundant number, since it is smaller than the sum of its proper divisors (642008465).

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

509028975 is a wasteful number, since it uses less digits than its factorization.

509028975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 509028975 is about 22561.6704833663. The cubic root of 509028975 is about 798.4495883666.

The spelling of 509028975 in words is "five hundred nine million, twenty-eight thousand, nine hundred seventy-five".