511859 has 2 divisors, whose sum is σ = 511860. Its totient is φ = 511858.

The previous prime is 511843. The next prime is 511867. The reversal of 511859 is 958115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511859 - 2⁴ = 511843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (511559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255929 + 255930.

It is an arithmetic number, because the mean of its divisors is an integer number (255930).

2⁵¹¹⁸⁵⁹ is an apocalyptic number.

511859 is a deficient number, since it is larger than the sum of its proper divisors (1).

511859 is an equidigital number, since it uses as much as digits as its factorization.

511859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 29.

The square root of 511859 is about 715.4432192704. The cubic root of 511859 is about 79.9926555758.

It can be divided in two parts, 5 and 11859, that multiplied together give a palindrome (59295).

The spelling of 511859 in words is "five hundred eleven thousand, eight hundred fifty-nine".