511041 has 4 divisors (see below), whose sum is σ = 681392. Its totient is φ = 340692.

The previous prime is 511039. The next prime is 511057. The reversal of 511041 is 140115.

It is a happy number.

511041 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 511041 - 2¹ = 511039 is a prime.

It is a super-2 number, since 2×511041² = 522325807362, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

511041 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (511001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85171 + ... + 85176.

It is an arithmetic number, because the mean of its divisors is an integer number (170348).

2⁵¹¹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

511041 is a deficient number, since it is larger than the sum of its proper divisors (170351).

511041 is a wasteful number, since it uses less digits than its factorization.

511041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170350.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 511041 is about 714.8713170914. The cubic root of 511041 is about 79.9500208659.

Adding to 511041 its reverse (140115), we get a palindrome (651156).

It can be divided in two parts, 5110 and 41, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 511041 in words is "five hundred eleven thousand, forty-one".