512204404 has 6 divisors (see below), whose sum is σ = 896357714. Its totient is φ = 256102200.

The previous prime is 512204393. The next prime is 512204419. The reversal of 512204404 is 404402215.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 391248400 + 120956004 = 19780^2 + 10998^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64025547 + ... + 64025554.

Almost surely, 2^512204404 is an apocalyptic number.

It is an amenable number.

512204404 is a deficient number, since it is larger than the sum of its proper divisors (384153310).

512204404 is a wasteful number, since it uses less digits than its factorization.

512204404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128051105 (or 128051103 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 512204404 is about 22631.9332802127. The cubic root of 512204404 is about 800.1064462525.

Adding to 512204404 its reverse (404402215), we get a palindrome (916606619).

The spelling of 512204404 in words is "five hundred twelve million, two hundred four thousand, four hundred four".