520539336 has 24 divisors (see below), whose sum is σ = 1409794230. Its totient is φ = 173513088.

The previous prime is 520539329. The next prime is 520539343. The reversal of 520539336 is 633935025.

It is an interprime number because it is at equal distance from previous prime (520539329) and next prime (520539343).

It can be written as a sum of positive squares in only one way, i.e., 480924900 + 39614436 = 21930^2 + 6294^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×520539336³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 520539336.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3614785 + ... + 3614928.

Almost surely, 2^520539336 is an apocalyptic number.

It is an amenable number.

520539336 is an abundant number, since it is smaller than the sum of its proper divisors (889254894).

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

520539336 is a wasteful number, since it uses less digits than its factorization.

520539336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229725 (or 7229718 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 36.

The square root of 520539336 is about 22815.3311613047. The cubic root of 520539336 is about 804.4230713153.

The spelling of 520539336 in words is "five hundred twenty million, five hundred thirty-nine thousand, three hundred thirty-six".