512523412 has 12 divisors (see below), whose sum is σ = 949675860. Its totient is φ = 241187456.

The previous prime is 512523397. The next prime is 512523433. The reversal of 512523412 is 214325215.

It can be written as a sum of positive squares in 2 ways, for example, as 209554576 + 302968836 = 14476^2 + 17406^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768487 + ... + 3768622.

It is an arithmetic number, because the mean of its divisors is an integer number (79139655).

Almost surely, 2^512523412 is an apocalyptic number.

It is an amenable number.

512523412 is a deficient number, since it is larger than the sum of its proper divisors (437152448).

512523412 is a wasteful number, since it uses less digits than its factorization.

512523412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537130 (or 7537128 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 512523412 is about 22638.9799240160. The cubic root of 512523412 is about 800.2725175738.

Adding to 512523412 its reverse (214325215), we get a palindrome (726848627).

The spelling of 512523412 in words is "five hundred twelve million, five hundred twenty-three thousand, four hundred twelve".