520520052 has 48 divisors (see below), whose sum is σ = 1327522112. Its totient is φ = 157766400.

The previous prime is 520520009. The next prime is 520520053. The reversal of 520520052 is 250025025.

It is a super-2 number, since 2×520520052² = 541882249068165408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520520053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14449 + ... + 35352.

Almost surely, 2^520520052 is an apocalyptic number.

520520052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520520052 is an abundant number, since it is smaller than the sum of its proper divisors (807002060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520520052 is a wasteful number, since it uses less digits than its factorization.

520520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49888 (or 49886 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 520520052 is about 22814.9085468253. The cubic root of 520520052 is about 804.4131375888.

Adding to 520520052 its reverse (250025025), we get a palindrome (770545077).

The spelling of 520520052 in words is "five hundred twenty million, five hundred twenty thousand, fifty-two".