520242516 has 72 divisors (see below), whose sum is σ = 1336608000. Its totient is φ = 170596800.

The previous prime is 520242511. The next prime is 520242521. The reversal of 520242516 is 615242025.

It is an interprime number because it is at equal distance from previous prime (520242511) and next prime (520242521).

It is a self number, because there is not a number n which added to its sum of digits gives 520242516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520242511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 723205 + ... + 723923.

It is an arithmetic number, because the mean of its divisors is an integer number (18564000).

Almost surely, 2^520242516 is an apocalyptic number.

It is an amenable number.

520242516 is an abundant number, since it is smaller than the sum of its proper divisors (816365484).

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

520242516 is a wasteful number, since it uses less digits than its factorization.

520242516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 520242516 is about 22808.8253972010. The cubic root of 520242516 is about 804.2701438692.

The spelling of 520242516 in words is "five hundred twenty million, two hundred forty-two thousand, five hundred sixteen".