520979052 has 54 divisors (see below), whose sum is σ = 1338409324. Its totient is φ = 157608880.

The previous prime is 520979023. The next prime is 520979057. The reversal of 520979052 is 250979025.

It is a super-3 number, since 3×520979052³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520979052.

It is not an unprimeable number, because it can be changed into a prime (520979057) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 869449 + ... + 870047.

Almost surely, 2^520979052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520979052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669204662).

520979052 is an abundant number, since it is smaller than the sum of its proper divisors (817430272).

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

520979052 is a wasteful number, since it uses less digits than its factorization.

520979052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 520979052 is about 22824.9655421427. The cubic root of 520979052 is about 804.6495147485.

The spelling of 520979052 in words is "five hundred twenty million, nine hundred seventy-nine thousand, fifty-two".