511466 has 4 divisors (see below), whose sum is σ = 767202. Its totient is φ = 255732.

The previous prime is 511463. The next prime is 511477. The reversal of 511466 is 664115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 403225 + 108241 = 635^2 + 329^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (511463) by changing a digit.

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 as a sum of consecutive naturals, namely, 127865 + ... + 127868.

2⁵¹¹⁴⁶⁶ is an apocalyptic number.

511466 is a deficient number, since it is larger than the sum of its proper divisors (255736).

511466 is a wasteful number, since it uses less digits than its factorization.

511466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255735.

The product of its digits is 720, while the sum is 23.

The square root of 511466 is about 715.1685116111. The cubic root of 511466 is about 79.9721778252.

The spelling of 511466 in words is "five hundred eleven thousand, four hundred sixty-six".