502523204242 has 4 divisors (see below), whose sum is σ = 753784806366. Its totient is φ = 251261602120.

The previous prime is 502523204231. The next prime is 502523204291. The reversal of 502523204242 is 242402325205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 466859259441 + 35663944801 = 683271^2 + 188849^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 125630801059 + ... + 125630801062.

Almost surely, 2^502523204242 is an apocalyptic number.

502523204242 is a deficient number, since it is larger than the sum of its proper divisors (251261602124).

502523204242 is a wasteful number, since it uses less digits than its factorization.

502523204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251261602123.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 502523204242 its reverse (242402325205), we get a palindrome (744925529447).

The spelling of 502523204242 in words is "five hundred two billion, five hundred twenty-three million, two hundred four thousand, two hundred forty-two".