512569 has 2 divisors, whose sum is σ = 512570. Its totient is φ = 512568.

The previous prime is 512543. The next prime is 512573. The reversal of 512569 is 965215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506944 + 5625 = 712^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 512569 - 2⁵ = 512537 is a prime.

It is a super-2 number, since 2×512569² = 525453959522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (512579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256284 + 256285.

It is an arithmetic number, because the mean of its divisors is an integer number (256285).

2⁵¹²⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

512569 is a deficient number, since it is larger than the sum of its proper divisors (1).

512569 is an equidigital number, since it uses as much as digits as its factorization.

512569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 512569 is about 715.9392432323. The cubic root of 512569 is about 80.0296244452.

It can be divided in two parts, 512 and 569, that added together give a triangular number (1081 = T₄₆).

The spelling of 512569 in words is "five hundred twelve thousand, five hundred sixty-nine".