505532521304 has 32 divisors (see below), whose sum is σ = 964927588800. Its totient is φ = 248241296160.

The previous prime is 505532521289. The next prime is 505532521313. The reversal of 505532521304 is 403125235505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247294 + ... + 1602125.

It is an arithmetic number, because the mean of its divisors is an integer number (30153987150).

Almost surely, 2^505532521304 is an apocalyptic number.

It is an amenable number.

505532521304 is a deficient number, since it is larger than the sum of its proper divisors (459395067496).

505532521304 is a wasteful number, since it uses less digits than its factorization.

505532521304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849823 (or 2849819 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 505532521304 its reverse (403125235505), we get a palindrome (908657756809).

The spelling of 505532521304 in words is "five hundred five billion, five hundred thirty-two million, five hundred twenty-one thousand, three hundred four".