511972 has 12 divisors (see below), whose sum is σ = 948780. Its totient is φ = 240896.

The previous prime is 511963. The next prime is 511991. The reversal of 511972 is 279115.

It can be written as a sum of positive squares in 2 ways, for example, as 287296 + 224676 = 536^2 + 474^2 .

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 3697 + ... + 3832.

It is an arithmetic number, because the mean of its divisors is an integer number (79065).

2⁵¹¹⁹⁷² is an apocalyptic number.

It is an amenable number.

511972 is a deficient number, since it is larger than the sum of its proper divisors (436808).

511972 is a wasteful number, since it uses less digits than its factorization.

511972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550 (or 7548 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 511972 is about 715.5221869376. The cubic root of 511972 is about 79.9985416401.

The spelling of 511972 in words is "five hundred eleven thousand, nine hundred seventy-two".