506345204 has 12 divisors (see below), whose sum is σ = 938228004. Its totient is φ = 238280064.

The previous prime is 506345183. The next prime is 506345209. The reversal of 506345204 is 402543605.

It can be written as a sum of positive squares in 2 ways, for example, as 136936804 + 369408400 = 11702^2 + 19220^2 .

It is a super-2 number, since 2×506345204² = 512770931227603232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506345209) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3723059 + ... + 3723194.

It is an arithmetic number, because the mean of its divisors is an integer number (78185667).

Almost surely, 2^506345204 is an apocalyptic number.

It is an amenable number.

506345204 is a deficient number, since it is larger than the sum of its proper divisors (431882800).

506345204 is a wasteful number, since it uses less digits than its factorization.

506345204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446274 (or 7446272 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 506345204 is about 22502.1155449882. The cubic root of 506345204 is about 797.0438839266.

Adding to 506345204 its reverse (402543605), we get a palindrome (908888809).

The spelling of 506345204 in words is "five hundred six million, three hundred forty-five thousand, two hundred four".