511125 has 32 divisors (see below), whose sum is σ = 898560. Its totient is φ = 257600.

The previous prime is 511123. The next prime is 511151. The reversal of 511125 is 521115.

It is not a de Polignac number, because 511125 - 2¹ = 511123 is a prime.

It is a super-2 number, since 2×511125² = 522497531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

511125 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10852 + ... + 10898.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁵¹¹¹²⁵ is an apocalyptic number.

It is an amenable number.

511125 is a deficient number, since it is larger than the sum of its proper divisors (387435).

511125 is a wasteful number, since it uses less digits than its factorization.

511125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 84 counting only the distinct ones).

The product of its digits is 50, while the sum is 15.

The square root of 511125 is about 714.9300665100. The cubic root of 511125 is about 79.9544010975.

It can be divided in two parts, 511 and 125, that added together give a palindrome (636).

The spelling of 511125 in words is "five hundred eleven thousand, one hundred twenty-five".