511485 has 32 divisors (see below), whose sum is σ = 916608. Its totient is φ = 241920.

The previous prime is 511477. The next prime is 511487. The reversal of 511485 is 584115.

It is not a de Polignac number, because 511485 - 2³ = 511477 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8355 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (28644).

2⁵¹¹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

511485 is a deficient number, since it is larger than the sum of its proper divisors (405123).

511485 is a wasteful number, since it uses less digits than its factorization.

511485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125.

The product of its digits is 800, while the sum is 24.

The square root of 511485 is about 715.1817950703. The cubic root of 511485 is about 79.9731680849.

The spelling of 511485 in words is "five hundred eleven thousand, four hundred eighty-five".