511725 has 12 divisors (see below), whose sum is σ = 846176. Its totient is φ = 272880.

The previous prime is 511723. The next prime is 511757. The reversal of 511725 is 527115.

It is not a de Polignac number, because 511725 - 2¹ = 511723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3337 + ... + 3486.

2⁵¹¹⁷²⁵ is an apocalyptic number.

It is an amenable number.

511725 is a deficient number, since it is larger than the sum of its proper divisors (334451).

511725 is a wasteful number, since it uses less digits than its factorization.

511725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836 (or 6831 counting only the distinct ones).

The product of its digits is 350, while the sum is 21.

The square root of 511725 is about 715.3495648982. The cubic root of 511725 is about 79.9856745182.

The spelling of 511725 in words is "five hundred eleven thousand, seven hundred twenty-five".