511006 has 4 divisors (see below), whose sum is σ = 766512. Its totient is φ = 255502.

The previous prime is 511001. The next prime is 511013. The reversal of 511006 is 600115.

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

It is a super-2 number, since 2×511006² = 522254264072, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511001) 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 as a sum of consecutive naturals, namely, 127750 + ... + 127753.

It is an arithmetic number, because the mean of its divisors is an integer number (191628).

2⁵¹¹⁰⁰⁶ is an apocalyptic number.

511006 is a deficient number, since it is larger than the sum of its proper divisors (255506).

511006 is a wasteful number, since it uses less digits than its factorization.

511006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255505.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 511006 is about 714.8468367420. The cubic root of 511006 is about 79.9481956277.

It can be divided in two parts, 5 and 11006, that added together give a palindrome (11011).

The spelling of 511006 in words is "five hundred eleven thousand, six".