520524052 has 12 divisors (see below), whose sum is σ = 911573460. Its totient is φ = 260074496.

The previous prime is 520524023. The next prime is 520524079. The reversal of 520524052 is 250425025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131882256 + 388641796 = 11484^2 + 19714^2 .

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, 40543 + ... + 51814.

It is an arithmetic number, because the mean of its divisors is an integer number (75964455).

Almost surely, 2^520524052 is an apocalyptic number.

It is an amenable number.

520524052 is a deficient number, since it is larger than the sum of its proper divisors (391049408).

520524052 is a wasteful number, since it uses less digits than its factorization.

520524052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93770 (or 93768 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 520524052 is about 22814.9962086344. The cubic root of 520524052 is about 804.4151981206.

Adding to 520524052 its reverse (250425025), we get a palindrome (770949077).

The spelling of 520524052 in words is "five hundred twenty million, five hundred twenty-four thousand, fifty-two".