512230869 has 18 divisors (see below), whose sum is σ = 744954210. Its totient is φ = 339165216.

The previous prime is 512230843. The next prime is 512230877. The reversal of 512230869 is 968032215.

It can be written as a sum of positive squares in 3 ways, for example, as 64400625 + 447830244 = 8025^2 + 21162^2 .

It is not a de Polignac number, because 512230869 - 2⁵ = 512230837 is a prime.

It is a super-2 number, since 2×512230869² = 524760926312990322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512230819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 220687 + ... + 222995.

It is an arithmetic number, because the mean of its divisors is an integer number (41386345).

Almost surely, 2^512230869 is an apocalyptic number.

It is an amenable number.

512230869 is a deficient number, since it is larger than the sum of its proper divisors (232723341).

512230869 is a wasteful number, since it uses less digits than its factorization.

512230869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 512230869 is about 22632.5179553668. The cubic root of 512230869 is about 800.1202262020.

The spelling of 512230869 in words is "five hundred twelve million, two hundred thirty thousand, eight hundred sixty-nine".