512311 has 2 divisors, whose sum is σ = 512312. Its totient is φ = 512310.

The previous prime is 512287. The next prime is 512321. The reversal of 512311 is 113215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512311 - 2¹⁵ = 479543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512291 and 512300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256155 + 256156.

It is an arithmetic number, because the mean of its divisors is an integer number (256156).

2⁵¹²³¹¹ is an apocalyptic number.

512311 is a deficient number, since it is larger than the sum of its proper divisors (1).

512311 is an equidigital number, since it uses as much as digits as its factorization.

512311 is an evil number, because the sum of its binary digits is even.

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

The square root of 512311 is about 715.7590376656. The cubic root of 512311 is about 80.0161946381.

Adding to 512311 its reverse (113215), we get a palindrome (625526).

The spelling of 512311 in words is "five hundred twelve thousand, three hundred eleven".