511959 has 8 divisors (see below), whose sum is σ = 780160. Its totient is φ = 292536.

The previous prime is 511939. The next prime is 511961. The reversal of 511959 is 959115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 511959 - 2⁷ = 511831 is a prime.

It is an Ulam number.

It is a Duffinian number.

511959 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 511959.

It is not an unprimeable number, because it can be changed into a prime (511909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12169 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (97520).

2⁵¹¹⁹⁵⁹ is an apocalyptic number.

511959 is a deficient number, since it is larger than the sum of its proper divisors (268201).

511959 is a wasteful number, since it uses less digits than its factorization.

511959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24389.

The product of its digits is 2025, while the sum is 30.

The square root of 511959 is about 715.5131026054. The cubic root of 511959 is about 79.9978645263.

It can be divided in two parts, 5 and 11959, that multiplied together give a palindrome (59795).

The spelling of 511959 in words is "five hundred eleven thousand, nine hundred fifty-nine".